diff --git a/.projen/deps.json b/.projen/deps.json
index 75e31d2e6..a8342446d 100644
--- a/.projen/deps.json
+++ b/.projen/deps.json
@@ -123,6 +123,7 @@
     },
     {
       "name": "syncpack",
+      "version": "^12",
       "type": "build"
     },
     {
diff --git a/.syncpackrc.json b/.syncpackrc.json
index 531105125..6f1a48aac 100644
--- a/.syncpackrc.json
+++ b/.syncpackrc.json
@@ -1,16 +1,20 @@
 {
-  "dependencyTypes": [],
-  "dev": true,
   "filter": ".",
   "indent": "  ",
-  "overrides": true,
-  "peer": true,
-  "pnpmOverrides": true,
-  "prod": true,
-  "resolutions": true,
-  "workspace": false,
-  "semverGroups": [],
-  "semverRange": "",
+  "semverGroups": [
+    {
+      "dependencies": [
+        "**"
+      ],
+      "dependencyTypes": [
+        "**"
+      ],
+      "packages": [
+        "**"
+      ],
+      "range": ""
+    }
+  ],
   "sortAz": [
     "contributors",
     "dependencies",
@@ -28,5 +32,8 @@
   ],
   "source": [],
   "versionGroups": [],
+  "dependencyTypes": [
+    "!local"
+  ],
   "//": "~~ Generated by projen. To modify, edit .projenrc.ts and run \"pnpm exec projen\"."
 }
diff --git a/package.json b/package.json
index 43b2ee99d..393294bcc 100644
--- a/package.json
+++ b/package.json
@@ -51,7 +51,7 @@
     "nx-cloud": "^16.5.2",
     "prettier": "^2.8.8",
     "projen": "^0.76.25",
-    "syncpack": "^9.8.6",
+    "syncpack": "^12",
     "ts-node": "^10.9.1",
     "typescript": "^5.2.2"
   },
diff --git a/packages/monorepo/package.json b/packages/monorepo/package.json
index b08041eab..417303cf3 100644
--- a/packages/monorepo/package.json
+++ b/packages/monorepo/package.json
@@ -83,6 +83,14 @@
   ],
   "main": "lib/index.js",
   "license": "Apache-2.0",
+  "typesVersions": {
+    "<=3.9": {
+      "lib/*": [
+        "lib/.types-compat/ts3.9/*",
+        "lib/.types-compat/ts3.9/*/index.d.ts"
+      ]
+    }
+  },
   "version": "0.0.0",
   "jest": {
     "testMatch": [
diff --git a/packages/monorepo/src/projects/typescript/monorepo-ts.ts b/packages/monorepo/src/projects/typescript/monorepo-ts.ts
index 4578634b4..cbe68d188 100644
--- a/packages/monorepo/src/projects/typescript/monorepo-ts.ts
+++ b/packages/monorepo/src/projects/typescript/monorepo-ts.ts
@@ -13,7 +13,7 @@ import { JavaProject } from "projen/lib/java";
 import { NodePackageManager, NodeProject } from "projen/lib/javascript";
 import { PythonProject } from "projen/lib/python";
 import { TypeScriptProject } from "projen/lib/typescript";
-import { DEFAULT_CONFIG, SyncpackConfig } from "./syncpack-options";
+import { Syncpack } from "./syncpack-options";
 import { TypeScriptProjectOptions } from "./typescript-project-options";
 import {
   NxConfigurator,
@@ -88,9 +88,9 @@ export interface MonorepoUpgradeDepsOptions {
    *
    * No merging is performed and as such a complete syncpackConfig is required if supplied.
    *
-   * @default SyncpackConfig.DEFAULT_CONFIG
+   * @default Syncpack.DEFAULT_CONFIG
    */
-  readonly syncpackConfig?: SyncpackConfig;
+  readonly syncpackConfig?: Syncpack.SyncpackConfig;
 }
 
 /**
@@ -306,7 +306,7 @@ export class MonorepoTsProject
     );
 
     if (options.monorepoUpgradeDeps !== false) {
-      this.addDevDeps("npm-check-updates", "syncpack");
+      this.addDevDeps("npm-check-updates", "syncpack@^12");
 
       const upgradeDepsTask = this.addTask(
         options.monorepoUpgradeDepsOptions?.taskName || "upgrade-deps"
@@ -341,7 +341,8 @@ export class MonorepoTsProject
 
       new JsonFile(this, ".syncpackrc.json", {
         obj:
-          options.monorepoUpgradeDepsOptions?.syncpackConfig || DEFAULT_CONFIG,
+          options.monorepoUpgradeDepsOptions?.syncpackConfig ||
+          Syncpack.DEFAULT_CONFIG,
         readonly: true,
       });
     }
diff --git a/packages/monorepo/src/projects/typescript/syncpack-options.ts b/packages/monorepo/src/projects/typescript/syncpack-options.ts
index b7c47e07c..ca09dd0ad 100644
--- a/packages/monorepo/src/projects/typescript/syncpack-options.ts
+++ b/packages/monorepo/src/projects/typescript/syncpack-options.ts
@@ -1,175 +1,261 @@
 /*! Copyright [Amazon.com](http://amazon.com/), Inc. or its affiliates. All Rights Reserved.
 SPDX-License-Identifier: Apache-2.0 */
-// This file was forked form https://github.com/JamieMason/syncpack/blob/master/src/constants.ts (v8.2.4)
-export type DependencyType =
-  | "dependencies"
-  | "devDependencies"
-  | "overrides"
-  | "peerDependencies"
-  | "pnpmOverrides"
-  | "resolutions"
-  | "workspace";
-
-export type ValidRange =
-  | typeof RANGE_ANY
-  | typeof RANGE_EXACT
-  | typeof RANGE_GT
-  | typeof RANGE_GTE
-  | typeof RANGE_LOOSE
-  | typeof RANGE_LT
-  | typeof RANGE_LTE
-  | typeof RANGE_MINOR
-  | typeof RANGE_PATCH;
-
-export interface SemverGroup {
-  /**
-   * the names of packages in your monorepo which belong to this group, taken
-   * from the "name" field in package.json, not the package directory name
-   */
-  readonly packages: string[];
-  /**
-   * the names of the dependencies (eg. "lodash") which belong to this group
-   */
-  readonly dependencies: string[];
-  /**
-   * the semver range which dependencies in this group should use
-   */
-  readonly range: ValidRange;
-  /**
-   * optionally only apply this group to dependencies of the provided types
-   */
-  readonly dependencyTypes?: DependencyType[];
-}
 
-export interface VersionGroup {
-  /**
-   * the names of packages in your monorepo which belong to this group, taken
-   * from the "name" field in package.json, not the package directory name
-   */
-  readonly packages: string[];
-  /**
-   * the names of the dependencies (eg. "lodash") which belong to this group
-   */
-  readonly dependencies: string[];
-  /**
-   * optionally force all dependencies in this group to be removed
-   */
-  readonly isBanned?: true;
-  /**
-   * optionally force all dependencies in this group to have this version
-   */
-  readonly pinVersion?: string;
-  /**
-   * optionally only apply this group to dependencies of the provided types
-   */
-  readonly dependencyTypes?: DependencyType[];
-}
+// JSII compatible fork of types from https://github.com/JamieMason/syncpack/blob/main/src/config/types.ts (v12.3.0)
 
-export interface SyncpackConfig {
-  /**
-   * which dependency properties to search within
-   */
-  readonly dependencyTypes: DependencyType[];
-  /**
-   * whether to search within devDependencies
-   */
-  readonly dev: boolean;
-  /**
-   * a string which will be passed to `new RegExp()` to match against package
-   * names that should be included
-   */
-  readonly filter: string;
-  /**
-   * the character(s) to be used to indent your package.json files when writing
-   * to disk
-   */
-  readonly indent: string;
-  /**
-   * whether to search within npm overrides
-   */
-  readonly overrides: boolean;
-  /**
-   * whether to search within peerDependencies
-   */
-  readonly peer: boolean;
-  /**
-   * whether to search within pnpm overrides
-   */
-  readonly pnpmOverrides: boolean;
-  /**
-   * whether to search within dependencies
-   */
-  readonly prod: boolean;
-  /**
-   * whether to search within yarn resolutions
-   */
-  readonly resolutions: boolean;
+/**
+ * Types and constants for Syncpack usage in the monorepo
+ * @see https://jamiemason.github.io/syncpack
+ */
+export namespace Syncpack {
   /**
+   * Aliases for semver range formats supported by syncpack
    *
+   * Defaults to `""` to ensure that exact dependency versions are used instead of
+   * loose ranges, but this can be overridden in your config file.
+   *
+   * | Supported Range |   Example |
+   * | --------------- | --------: |
+   * | `"<"`           |  `<1.4.2` |
+   * | `"<="`          | `<=1.4.2` |
+   * | `""`            |   `1.4.2` |
+   * | `"~"`           |  `~1.4.2` |
+   * | `"^"`           |  `^1.4.2` |
+   * | `">="`          | `>=1.4.2` |
+   * | `">"`           |  `>1.4.2` |
+   * | `"*"`           |       `*` |
+   *
+   * @default ""
    */
-  readonly semverGroups: SemverGroup[];
-  /**
-   * defaults to `""` to ensure that exact dependency versions are used instead
-   * of loose ranges
-   */
-  readonly semverRange: ValidRange;
-  /**
-   * which fields within package.json files should be sorted alphabetically
-   */
-  readonly sortAz: string[];
-  /**
-   * which fields within package.json files should appear at the top, and in
-   * what order
-   */
-  readonly sortFirst: string[];
-  /**
-   * glob patterns for package.json file locations
-   */
-  readonly source: string[];
+  export type SemverRange =
+    | ""
+    | "*"
+    | ">"
+    | ">="
+    | ".x"
+    | "<"
+    | "<="
+    | "^"
+    | "~"
+    | "workspace:";
+
+  export const CUSTOM_TYPES = {
+    dev: {
+      strategy: "versionsByName",
+      path: "devDependencies",
+    },
+    local: {
+      strategy: "name~version",
+      namePath: "name",
+      path: "version",
+    },
+    overrides: {
+      strategy: "versionsByName",
+      path: "overrides",
+    },
+    peer: {
+      strategy: "versionsByName",
+      path: "peerDependencies",
+    },
+    pnpmOverrides: {
+      strategy: "versionsByName",
+      path: "pnpm.overrides",
+    },
+    prod: {
+      strategy: "versionsByName",
+      path: "dependencies",
+    },
+    resolutions: {
+      strategy: "versionsByName",
+      path: "resolutions",
+    },
+  } as const;
+
+  type DefaultDependencyType = keyof typeof CUSTOM_TYPES;
+
+  export type DependencyType =
+    | DefaultDependencyType
+    | `!${DefaultDependencyType}`
+    // This is done to allow any other `string` while also offering intellisense
+    // for the internal dependency types above. `(string & {})` is needed to
+    // prevent typescript from ignoring these specific strings and merging them
+    // all into `string`, where we'd lose any editor autocomplete for the other
+    // more specific fields, using (string & {}) stops that from happening.
+    //
+    // eslint-disable-next-line @typescript-eslint/ban-types
+    | (string & {});
+
+  // NB: for brevity we use "string" instead of re-defining all the different specifier types here:
+  // https://github.com/JamieMason/syncpack/blob/db2b31ccdb1a28fdbe0c42d27ce956ea5c6c543a/src/specifier/index.ts#L16-L27
+  export type SpecifierType = string;
+
+  export interface GroupConfig {
+    readonly dependencies?: string[];
+    readonly dependencyTypes?: DependencyType[];
+    readonly label?: string;
+    readonly packages?: string[];
+    readonly specifierTypes?: SpecifierType[];
+  }
+
+  export namespace SemverGroupConfig {
+    export interface Disabled extends GroupConfig {
+      readonly isDisabled: true;
+    }
+
+    export interface Ignored extends GroupConfig {
+      readonly isIgnored: true;
+    }
+
+    export interface WithRange extends GroupConfig {
+      readonly range: SemverRange;
+    }
+
+    export type Any = Disabled | Ignored | WithRange;
+  }
+
+  export namespace VersionGroupConfig {
+    export interface Banned extends GroupConfig {
+      readonly isBanned: true;
+    }
+
+    export interface Ignored extends GroupConfig {
+      readonly isIgnored: true;
+    }
+
+    export interface Pinned extends GroupConfig {
+      readonly pinVersion: string;
+    }
+
+    export interface SnappedTo extends GroupConfig {
+      readonly snapTo: string[];
+    }
+
+    export interface SameRange extends GroupConfig {
+      readonly policy: "sameRange";
+    }
+
+    export interface SnappedTo extends GroupConfig {
+      readonly snapTo: string[];
+    }
+
+    export interface Standard extends GroupConfig {
+      readonly preferVersion?: "highestSemver" | "lowestSemver";
+    }
+
+    export type Any =
+      | Banned
+      | Ignored
+      | Pinned
+      | SameRange
+      | SnappedTo
+      | Standard;
+  }
+
+  export namespace CustomTypeConfig {
+    export interface NameAndVersionProps {
+      readonly namePath: string;
+      readonly path: string;
+      readonly strategy: "name~version";
+    }
+
+    export interface NamedVersionString {
+      readonly path: string;
+      readonly strategy: "name@version";
+    }
+
+    export interface UnnamedVersionString {
+      readonly path: string;
+      readonly strategy: "version";
+    }
+
+    export interface VersionsByName {
+      readonly path: string;
+      readonly strategy: "versionsByName";
+    }
+
+    export type Any =
+      | NameAndVersionProps
+      | NamedVersionString
+      | UnnamedVersionString
+      | VersionsByName;
+  }
+
+  export interface CliConfig {
+    readonly configPath?: string;
+    readonly filter: string;
+    readonly indent: string;
+    readonly source: string[];
+    readonly specs: string;
+    readonly types: string;
+  }
+
   /**
-   *
+   * Configuration for Syncpack
+   * @see https://jamiemason.github.io/syncpack
    */
-  readonly versionGroups: VersionGroup[];
+  export interface SyncpackConfig {
+    /** @see https://jamiemason.github.io/syncpack/config/custom-types */
+    readonly customTypes?: Record<string, CustomTypeConfig.Any>;
+    /** @see https://jamiemason.github.io/syncpack/config/dependency-types */
+    readonly dependencyTypes?: DependencyType[];
+    /** @see https://jamiemason.github.io/syncpack/config/filter */
+    readonly filter?: string;
+    /** @see https://jamiemason.github.io/syncpack/config/format-bugs */
+    readonly formatBugs?: boolean;
+    /** @see https://jamiemason.github.io/syncpack/config/format-repository */
+    readonly formatRepository?: boolean;
+    /** @see https://jamiemason.github.io/syncpack/config/indent */
+    readonly indent?: string;
+    /** @see https://jamiemason.github.io/syncpack/config/lint-formatting */
+    readonly lintFormatting?: boolean;
+    /** @see https://jamiemason.github.io/syncpack/config/lint-semver-ranges */
+    readonly lintSemverRanges?: boolean;
+    /** @see https://jamiemason.github.io/syncpack/config/lint-versions */
+    readonly lintVersions?: boolean;
+    /** @see https://jamiemason.github.io/syncpack/config/semver-groups */
+    readonly semverGroups?: SemverGroupConfig.Any[];
+    /** @see https://jamiemason.github.io/syncpack/config/sort-az */
+    readonly sortAz?: string[];
+    /** @see https://jamiemason.github.io/syncpack/config/sort-exports */
+    readonly sortExports?: string[];
+    /** @see https://jamiemason.github.io/syncpack/config/sort-first */
+    readonly sortFirst?: string[];
+    /** @see https://jamiemason.github.io/syncpack/config/sort-packages */
+    readonly sortPackages?: boolean;
+    /** @see https://jamiemason.github.io/syncpack/config/source */
+    readonly source?: string[];
+    /** @see https://jamiemason.github.io/syncpack/config/specifier-types */
+    readonly specifierTypes?: SpecifierType[];
+    /** @see https://jamiemason.github.io/syncpack/config/version-groups */
+    readonly versionGroups?: VersionGroupConfig.Any[];
+  }
+
   /**
-   * whether to include the versions of the `--source` packages developed in
-   * your workspace/monorepo as part of the search for versions to sync
+   * Default monorepo configuration for Syncpack
+   * @see https://jamiemason.github.io/syncpack/
    */
-  readonly workspace: boolean;
+  export const DEFAULT_CONFIG: Syncpack.SyncpackConfig = {
+    filter: ".",
+    indent: "  ",
+    semverGroups: [
+      {
+        dependencies: ["**"],
+        dependencyTypes: ["**"],
+        packages: ["**"],
+        range: "",
+      },
+    ],
+    sortAz: [
+      "contributors",
+      "dependencies",
+      "devDependencies",
+      "keywords",
+      "peerDependencies",
+      "resolutions",
+      "scripts",
+    ],
+    sortFirst: ["name", "description", "version", "author"],
+    source: [],
+    versionGroups: [],
+  };
 }
-
-export const RANGE_ANY = "*";
-export const RANGE_EXACT = "";
-export const RANGE_GT = ">";
-export const RANGE_GTE = ">=";
-export const RANGE_LOOSE = ".x";
-export const RANGE_LT = "<";
-export const RANGE_LTE = "<=";
-export const RANGE_MINOR = "^";
-export const RANGE_PATCH = "~";
-
-export const DEFAULT_CONFIG: SyncpackConfig = {
-  dependencyTypes: [],
-  dev: true,
-  filter: ".",
-  indent: "  ",
-  overrides: true,
-  peer: true,
-  pnpmOverrides: true,
-  prod: true,
-  resolutions: true,
-  workspace: true,
-  semverGroups: [],
-  semverRange: "",
-  sortAz: [
-    "contributors",
-    "dependencies",
-    "devDependencies",
-    "keywords",
-    "peerDependencies",
-    "resolutions",
-    "scripts",
-  ],
-  sortFirst: ["name", "description", "version", "author"],
-  source: [],
-  versionGroups: [],
-};
diff --git a/packages/monorepo/test/__snapshots__/monorepo.test.ts.snap b/packages/monorepo/test/__snapshots__/monorepo.test.ts.snap
index a0c24d5f8..44dae8699 100644
--- a/packages/monorepo/test/__snapshots__/monorepo.test.ts.snap
+++ b/packages/monorepo/test/__snapshots__/monorepo.test.ts.snap
@@ -318,6 +318,7 @@ resolution-mode=highest
       {
         "name": "syncpack",
         "type": "build",
+        "version": "^12",
       },
       {
         "name": "ts-node",
@@ -616,17 +617,22 @@ resolution-mode=highest
   },
   ".syncpackrc.json": {
     "//": "~~ Generated by projen. To modify, edit .projenrc.ts and run "pnpm exec projen".",
-    "dependencyTypes": [],
-    "dev": true,
     "filter": ".",
     "indent": "  ",
-    "overrides": true,
-    "peer": true,
-    "pnpmOverrides": true,
-    "prod": true,
-    "resolutions": true,
-    "semverGroups": [],
-    "semverRange": "",
+    "semverGroups": [
+      {
+        "dependencies": [
+          "**",
+        ],
+        "dependencyTypes": [
+          "**",
+        ],
+        "packages": [
+          "**",
+        ],
+        "range": "",
+      },
+    ],
     "sortAz": [
       "contributors",
       "dependencies",
@@ -644,7 +650,6 @@ resolution-mode=highest
     ],
     "source": [],
     "versionGroups": [],
-    "workspace": true,
   },
   "LICENSE": "
                                  Apache License
@@ -920,7 +925,7 @@ resolution-mode=highest
       "nx": "16.0.0",
       "prettier": "*",
       "projen": "*",
-      "syncpack": "*",
+      "syncpack": "^12",
       "ts-node": "*",
       "typescript": "*",
     },
@@ -2362,6 +2367,7 @@ tsconfig.tsbuildinfo
       {
         "name": "syncpack",
         "type": "build",
+        "version": "^12",
       },
       {
         "name": "ts-node",
@@ -2658,17 +2664,22 @@ tsconfig.tsbuildinfo
   },
   ".syncpackrc.json": {
     "//": "~~ Generated by projen. To modify, edit .projenrc.ts and run "yarn projen".",
-    "dependencyTypes": [],
-    "dev": true,
     "filter": ".",
     "indent": "  ",
-    "overrides": true,
-    "peer": true,
-    "pnpmOverrides": true,
-    "prod": true,
-    "resolutions": true,
-    "semverGroups": [],
-    "semverRange": "",
+    "semverGroups": [
+      {
+        "dependencies": [
+          "**",
+        ],
+        "dependencyTypes": [
+          "**",
+        ],
+        "packages": [
+          "**",
+        ],
+        "range": "",
+      },
+    ],
     "sortAz": [
       "contributors",
       "dependencies",
@@ -2686,7 +2697,6 @@ tsconfig.tsbuildinfo
     ],
     "source": [],
     "versionGroups": [],
-    "workspace": true,
   },
   "LICENSE": "
                                  Apache License
@@ -2962,7 +2972,7 @@ tsconfig.tsbuildinfo
       "nx": "16.0.0",
       "prettier": "*",
       "projen": "*",
-      "syncpack": "*",
+      "syncpack": "^12",
       "ts-node": "*",
       "typescript": "*",
     },
@@ -4406,6 +4416,7 @@ tsconfig.tsbuildinfo
       {
         "name": "syncpack",
         "type": "build",
+        "version": "^12",
       },
       {
         "name": "ts-node",
@@ -4703,17 +4714,22 @@ tsconfig.tsbuildinfo
   },
   ".syncpackrc.json": {
     "//": "~~ Generated by projen. To modify, edit .projenrc.ts and run "yarn exec projen".",
-    "dependencyTypes": [],
-    "dev": true,
     "filter": ".",
     "indent": "  ",
-    "overrides": true,
-    "peer": true,
-    "pnpmOverrides": true,
-    "prod": true,
-    "resolutions": true,
-    "semverGroups": [],
-    "semverRange": "",
+    "semverGroups": [
+      {
+        "dependencies": [
+          "**",
+        ],
+        "dependencyTypes": [
+          "**",
+        ],
+        "packages": [
+          "**",
+        ],
+        "range": "",
+      },
+    ],
     "sortAz": [
       "contributors",
       "dependencies",
@@ -4731,7 +4747,6 @@ tsconfig.tsbuildinfo
     ],
     "source": [],
     "versionGroups": [],
-    "workspace": true,
   },
   ".yarnrc.yml": "# ~~ Generated by projen. To modify, edit .projenrc.ts and run "yarn exec projen".
 
@@ -5011,7 +5026,7 @@ tsconfig.tsbuildinfo
       "nx": "16.0.0",
       "prettier": "*",
       "projen": "*",
-      "syncpack": "*",
+      "syncpack": "^12",
       "ts-node": "*",
       "typescript": "*",
     },
@@ -6460,6 +6475,7 @@ tsconfig.tsbuildinfo
       {
         "name": "syncpack",
         "type": "build",
+        "version": "^12",
       },
       {
         "name": "ts-node",
@@ -6756,17 +6772,22 @@ tsconfig.tsbuildinfo
   },
   ".syncpackrc.json": {
     "//": "~~ Generated by projen. To modify, edit .projenrc.ts and run "npx projen".",
-    "dependencyTypes": [],
-    "dev": true,
     "filter": ".",
     "indent": "  ",
-    "overrides": true,
-    "peer": true,
-    "pnpmOverrides": true,
-    "prod": true,
-    "resolutions": true,
-    "semverGroups": [],
-    "semverRange": "",
+    "semverGroups": [
+      {
+        "dependencies": [
+          "**",
+        ],
+        "dependencyTypes": [
+          "**",
+        ],
+        "packages": [
+          "**",
+        ],
+        "range": "",
+      },
+    ],
     "sortAz": [
       "contributors",
       "dependencies",
@@ -6784,7 +6805,6 @@ tsconfig.tsbuildinfo
     ],
     "source": [],
     "versionGroups": [],
-    "workspace": true,
   },
   "LICENSE": "
                                  Apache License
@@ -7060,7 +7080,7 @@ tsconfig.tsbuildinfo
       "nx": "16.0.0",
       "prettier": "*",
       "projen": "*",
-      "syncpack": "*",
+      "syncpack": "^12",
       "ts-node": "*",
       "typescript": "*",
     },
@@ -8310,6 +8330,7 @@ tsconfig.tsbuildinfo
       {
         "name": "syncpack",
         "type": "build",
+        "version": "^12",
       },
       {
         "name": "ts-node",
@@ -8614,17 +8635,22 @@ tsconfig.tsbuildinfo
   },
   ".syncpackrc.json": {
     "//": "~~ Generated by projen. To modify, edit .projenrc.ts and run "npx projen".",
-    "dependencyTypes": [],
-    "dev": true,
     "filter": ".",
     "indent": "  ",
-    "overrides": true,
-    "peer": true,
-    "pnpmOverrides": true,
-    "prod": true,
-    "resolutions": true,
-    "semverGroups": [],
-    "semverRange": "",
+    "semverGroups": [
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+        "dependencies": [
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+        "dependencyTypes": [
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+        "packages": [
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+        ],
+        "range": "",
+      },
+    ],
     "sortAz": [
       "contributors",
       "dependencies",
@@ -8642,7 +8668,6 @@ tsconfig.tsbuildinfo
     ],
     "source": [],
     "versionGroups": [],
-    "workspace": true,
   },
   "LICENSE": "
                                  Apache License
@@ -8918,7 +8943,7 @@ tsconfig.tsbuildinfo
       "nx": "16.0.0",
       "prettier": "*",
       "projen": "*",
-      "syncpack": "*",
+      "syncpack": "^12",
       "ts-node": "*",
       "typescript": "*",
     },
@@ -10060,6 +10085,7 @@ tsconfig.tsbuildinfo
       {
         "name": "syncpack",
         "type": "build",
+        "version": "^12",
       },
       {
         "name": "ts-node",
@@ -10356,17 +10382,22 @@ tsconfig.tsbuildinfo
   },
   ".syncpackrc.json": {
     "//": "~~ Generated by projen. To modify, edit .projenrc.ts and run "npx projen".",
-    "dependencyTypes": [],
-    "dev": true,
     "filter": ".",
     "indent": "  ",
-    "overrides": true,
-    "peer": true,
-    "pnpmOverrides": true,
-    "prod": true,
-    "resolutions": true,
-    "semverGroups": [],
-    "semverRange": "",
+    "semverGroups": [
+      {
+        "dependencies": [
+          "**",
+        ],
+        "dependencyTypes": [
+          "**",
+        ],
+        "packages": [
+          "**",
+        ],
+        "range": "",
+      },
+    ],
     "sortAz": [
       "contributors",
       "dependencies",
@@ -10384,7 +10415,6 @@ tsconfig.tsbuildinfo
     ],
     "source": [],
     "versionGroups": [],
-    "workspace": true,
   },
   "LICENSE": "
                                  Apache License
@@ -10660,7 +10690,7 @@ tsconfig.tsbuildinfo
       "nx": "16.0.0",
       "prettier": "*",
       "projen": "*",
-      "syncpack": "*",
+      "syncpack": "^12",
       "ts-node": "*",
       "typescript": "*",
     },
@@ -11094,6 +11124,7 @@ tsconfig.tsbuildinfo
       {
         "name": "syncpack",
         "type": "build",
+        "version": "^12",
       },
       {
         "name": "ts-node",
@@ -11390,17 +11421,22 @@ tsconfig.tsbuildinfo
   },
   ".syncpackrc.json": {
     "//": "~~ Generated by projen. To modify, edit .projenrc.ts and run "bun x projen".",
-    "dependencyTypes": [],
-    "dev": true,
     "filter": ".",
     "indent": "  ",
-    "overrides": true,
-    "peer": true,
-    "pnpmOverrides": true,
-    "prod": true,
-    "resolutions": true,
-    "semverGroups": [],
-    "semverRange": "",
+    "semverGroups": [
+      {
+        "dependencies": [
+          "**",
+        ],
+        "dependencyTypes": [
+          "**",
+        ],
+        "packages": [
+          "**",
+        ],
+        "range": "",
+      },
+    ],
     "sortAz": [
       "contributors",
       "dependencies",
@@ -11418,7 +11454,6 @@ tsconfig.tsbuildinfo
     ],
     "source": [],
     "versionGroups": [],
-    "workspace": true,
   },
   "LICENSE": "
                                  Apache License
@@ -11694,7 +11729,7 @@ tsconfig.tsbuildinfo
       "nx": "16.0.0",
       "prettier": "*",
       "projen": "*",
-      "syncpack": "*",
+      "syncpack": "^12",
       "ts-node": "*",
       "typescript": "*",
     },
@@ -13121,6 +13156,7 @@ tsconfig.tsbuildinfo
       {
         "name": "syncpack",
         "type": "build",
+        "version": "^12",
       },
       {
         "name": "ts-node",
@@ -13425,17 +13461,22 @@ tsconfig.tsbuildinfo
   },
   ".syncpackrc.json": {
     "//": "~~ Generated by projen. To modify, edit .projenrc.ts and run "npx projen".",
-    "dependencyTypes": [],
-    "dev": true,
     "filter": ".",
     "indent": "  ",
-    "overrides": true,
-    "peer": true,
-    "pnpmOverrides": true,
-    "prod": true,
-    "resolutions": true,
-    "semverGroups": [],
-    "semverRange": "",
+    "semverGroups": [
+      {
+        "dependencies": [
+          "**",
+        ],
+        "dependencyTypes": [
+          "**",
+        ],
+        "packages": [
+          "**",
+        ],
+        "range": "",
+      },
+    ],
     "sortAz": [
       "contributors",
       "dependencies",
@@ -13453,7 +13494,6 @@ tsconfig.tsbuildinfo
     ],
     "source": [],
     "versionGroups": [],
-    "workspace": true,
   },
   "LICENSE": "
                                  Apache License
@@ -13729,7 +13769,7 @@ tsconfig.tsbuildinfo
       "nx": "16.0.0",
       "prettier": "*",
       "projen": "*",
-      "syncpack": "*",
+      "syncpack": "^12",
       "ts-node": "*",
       "typescript": "*",
     },
@@ -16456,6 +16496,7 @@ tsconfig.tsbuildinfo
       {
         "name": "syncpack",
         "type": "build",
+        "version": "^12",
       },
       {
         "name": "ts-node",
@@ -16753,17 +16794,22 @@ tsconfig.tsbuildinfo
   },
   ".syncpackrc.json": {
     "//": "~~ Generated by projen. To modify, edit .projenrc.ts and run "npx projen".",
-    "dependencyTypes": [],
-    "dev": true,
     "filter": ".",
     "indent": "  ",
-    "overrides": true,
-    "peer": true,
-    "pnpmOverrides": true,
-    "prod": true,
-    "resolutions": true,
-    "semverGroups": [],
-    "semverRange": "",
+    "semverGroups": [
+      {
+        "dependencies": [
+          "**",
+        ],
+        "dependencyTypes": [
+          "**",
+        ],
+        "packages": [
+          "**",
+        ],
+        "range": "",
+      },
+    ],
     "sortAz": [
       "contributors",
       "dependencies",
@@ -16781,7 +16827,6 @@ tsconfig.tsbuildinfo
     ],
     "source": [],
     "versionGroups": [],
-    "workspace": true,
   },
   "LICENSE": "
                                  Apache License
@@ -17057,7 +17102,7 @@ tsconfig.tsbuildinfo
       "nx": "16.0.0",
       "prettier": "*",
       "projen": "*",
-      "syncpack": "*",
+      "syncpack": "^12",
       "ts-node": "*",
       "typescript": "*",
     },
@@ -17490,6 +17535,7 @@ tsconfig.tsbuildinfo
       {
         "name": "syncpack",
         "type": "build",
+        "version": "^12",
       },
       {
         "name": "ts-node",
@@ -17786,17 +17832,22 @@ tsconfig.tsbuildinfo
   },
   ".syncpackrc.json": {
     "//": "~~ Generated by projen. To modify, edit .projenrc.ts and run "npx projen".",
-    "dependencyTypes": [],
-    "dev": true,
     "filter": ".",
     "indent": "  ",
-    "overrides": true,
-    "peer": true,
-    "pnpmOverrides": true,
-    "prod": true,
-    "resolutions": true,
-    "semverGroups": [],
-    "semverRange": "",
+    "semverGroups": [
+      {
+        "dependencies": [
+          "**",
+        ],
+        "dependencyTypes": [
+          "**",
+        ],
+        "packages": [
+          "**",
+        ],
+        "range": "",
+      },
+    ],
     "sortAz": [
       "contributors",
       "dependencies",
@@ -17814,7 +17865,6 @@ tsconfig.tsbuildinfo
     ],
     "source": [],
     "versionGroups": [],
-    "workspace": true,
   },
   "LICENSE": "
                                  Apache License
@@ -18090,7 +18140,7 @@ tsconfig.tsbuildinfo
       "nx": "16.0.0",
       "prettier": "*",
       "projen": "*",
-      "syncpack": "*",
+      "syncpack": "^12",
       "ts-node": "*",
       "typescript": "*",
     },
@@ -18965,6 +19015,7 @@ pattern1.txt
       {
         "name": "syncpack",
         "type": "build",
+        "version": "^12",
       },
       {
         "name": "ts-node",
@@ -19261,17 +19312,22 @@ pattern1.txt
   },
   ".syncpackrc.json": {
     "//": "~~ Generated by projen. To modify, edit .projenrc.ts and run "npx projen".",
-    "dependencyTypes": [],
-    "dev": true,
     "filter": ".",
     "indent": "  ",
-    "overrides": true,
-    "peer": true,
-    "pnpmOverrides": true,
-    "prod": true,
-    "resolutions": true,
-    "semverGroups": [],
-    "semverRange": "",
+    "semverGroups": [
+      {
+        "dependencies": [
+          "**",
+        ],
+        "dependencyTypes": [
+          "**",
+        ],
+        "packages": [
+          "**",
+        ],
+        "range": "",
+      },
+    ],
     "sortAz": [
       "contributors",
       "dependencies",
@@ -19289,7 +19345,6 @@ pattern1.txt
     ],
     "source": [],
     "versionGroups": [],
-    "workspace": true,
   },
   "LICENSE": "
                                  Apache License
@@ -19565,7 +19620,7 @@ pattern1.txt
       "nx": "16.0.0",
       "prettier": "*",
       "projen": "*",
-      "syncpack": "*",
+      "syncpack": "^12",
       "ts-node": "*",
       "typescript": "*",
     },
@@ -20007,6 +20062,7 @@ resolution-mode=highest
       {
         "name": "syncpack",
         "type": "build",
+        "version": "^12",
       },
       {
         "name": "ts-node",
@@ -20305,17 +20361,22 @@ resolution-mode=highest
   },
   ".syncpackrc.json": {
     "//": "~~ Generated by projen. To modify, edit .projenrc.ts and run "pnpm exec projen".",
-    "dependencyTypes": [],
-    "dev": true,
     "filter": ".",
     "indent": "  ",
-    "overrides": true,
-    "peer": true,
-    "pnpmOverrides": true,
-    "prod": true,
-    "resolutions": true,
-    "semverGroups": [],
-    "semverRange": "",
+    "semverGroups": [
+      {
+        "dependencies": [
+          "**",
+        ],
+        "dependencyTypes": [
+          "**",
+        ],
+        "packages": [
+          "**",
+        ],
+        "range": "",
+      },
+    ],
     "sortAz": [
       "contributors",
       "dependencies",
@@ -20333,7 +20394,6 @@ resolution-mode=highest
     ],
     "source": [],
     "versionGroups": [],
-    "workspace": true,
   },
   "LICENSE": "
                                  Apache License
@@ -20609,7 +20669,7 @@ resolution-mode=highest
       "nx": "16.0.0",
       "prettier": "*",
       "projen": "*",
-      "syncpack": "*",
+      "syncpack": "^12",
       "ts-node": "*",
       "typescript": "*",
     },
@@ -22067,6 +22127,7 @@ tsconfig.tsbuildinfo
       {
         "name": "syncpack",
         "type": "build",
+        "version": "^12",
       },
       {
         "name": "ts-node",
@@ -22363,17 +22424,22 @@ tsconfig.tsbuildinfo
   },
   ".syncpackrc.json": {
     "//": "~~ Generated by projen. To modify, edit .projenrc.ts and run "npx projen".",
-    "dependencyTypes": [],
-    "dev": true,
     "filter": ".",
     "indent": "  ",
-    "overrides": true,
-    "peer": true,
-    "pnpmOverrides": true,
-    "prod": true,
-    "resolutions": true,
-    "semverGroups": [],
-    "semverRange": "",
+    "semverGroups": [
+      {
+        "dependencies": [
+          "**",
+        ],
+        "dependencyTypes": [
+          "**",
+        ],
+        "packages": [
+          "**",
+        ],
+        "range": "",
+      },
+    ],
     "sortAz": [
       "contributors",
       "dependencies",
@@ -22391,7 +22457,6 @@ tsconfig.tsbuildinfo
     ],
     "source": [],
     "versionGroups": [],
-    "workspace": true,
   },
   "LICENSE": "
                                  Apache License
@@ -22680,7 +22745,7 @@ tsconfig.tsbuildinfo
       "nx": "16.0.0",
       "prettier": "*",
       "projen": "*",
-      "syncpack": "*",
+      "syncpack": "^12",
       "ts-node": "*",
       "typescript": "*",
     },
@@ -23114,6 +23179,7 @@ tsconfig.tsbuildinfo
       {
         "name": "syncpack",
         "type": "build",
+        "version": "^12",
       },
       {
         "name": "ts-node",
@@ -23410,17 +23476,22 @@ tsconfig.tsbuildinfo
   },
   ".syncpackrc.json": {
     "//": "~~ Generated by projen. To modify, edit .projenrc.ts and run "npx projen".",
-    "dependencyTypes": [],
-    "dev": true,
     "filter": ".",
     "indent": "  ",
-    "overrides": true,
-    "peer": true,
-    "pnpmOverrides": true,
-    "prod": true,
-    "resolutions": true,
-    "semverGroups": [],
-    "semverRange": "",
+    "semverGroups": [
+      {
+        "dependencies": [
+          "**",
+        ],
+        "dependencyTypes": [
+          "**",
+        ],
+        "packages": [
+          "**",
+        ],
+        "range": "",
+      },
+    ],
     "sortAz": [
       "contributors",
       "dependencies",
@@ -23438,7 +23509,6 @@ tsconfig.tsbuildinfo
     ],
     "source": [],
     "versionGroups": [],
-    "workspace": true,
   },
   "LICENSE": "
                                  Apache License
@@ -23714,7 +23784,7 @@ tsconfig.tsbuildinfo
       "nx": "16.0.0",
       "prettier": "*",
       "projen": "*",
-      "syncpack": "*",
+      "syncpack": "^12",
       "ts-node": "*",
       "typescript": "*",
     },
diff --git a/packages/pdk/package.json b/packages/pdk/package.json
index a4c01818f..67501017a 100644
--- a/packages/pdk/package.json
+++ b/packages/pdk/package.json
@@ -203,6 +203,14 @@
       "./scripts/type-safe-api/custom/gradle-wrapper/gradlew.bat"
     ]
   },
+  "typesVersions": {
+    "<=3.9": {
+      "./*": [
+        "./.types-compat/ts3.9/*",
+        "./.types-compat/ts3.9/*/index.d.ts"
+      ]
+    }
+  },
   "version": "0.0.0",
   "types": "./index.d.ts",
   "stability": "stable",
diff --git a/packages/type-safe-api/test/project/__snapshots__/type-safe-api-project.test.ts.snap b/packages/type-safe-api/test/project/__snapshots__/type-safe-api-project.test.ts.snap
index 28000f650..c3d92ae25 100644
--- a/packages/type-safe-api/test/project/__snapshots__/type-safe-api-project.test.ts.snap
+++ b/packages/type-safe-api/test/project/__snapshots__/type-safe-api-project.test.ts.snap
@@ -3259,6 +3259,7 @@ tsconfig.tsbuildinfo
       {
         "name": "syncpack",
         "type": "build",
+        "version": "^12",
       },
       {
         "name": "ts-node",
@@ -3566,17 +3567,22 @@ tsconfig.tsbuildinfo
   },
   ".syncpackrc.json": {
     "//": "~~ Generated by projen. To modify, edit .projenrc.ts and run "npx projen".",
-    "dependencyTypes": [],
-    "dev": true,
     "filter": ".",
     "indent": "  ",
-    "overrides": true,
-    "peer": true,
-    "pnpmOverrides": true,
-    "prod": true,
-    "resolutions": true,
-    "semverGroups": [],
-    "semverRange": "",
+    "semverGroups": [
+      {
+        "dependencies": [
+          "**",
+        ],
+        "dependencyTypes": [
+          "**",
+        ],
+        "packages": [
+          "**",
+        ],
+        "range": "",
+      },
+    ],
     "sortAz": [
       "contributors",
       "dependencies",
@@ -3594,7 +3600,6 @@ tsconfig.tsbuildinfo
     ],
     "source": [],
     "versionGroups": [],
-    "workspace": true,
   },
   "LICENSE": "
                                  Apache License
@@ -3870,7 +3875,7 @@ tsconfig.tsbuildinfo
       "nx": "16.0.0",
       "prettier": "*",
       "projen": "*",
-      "syncpack": "*",
+      "syncpack": "^12",
       "ts-node": "*",
       "typescript": "*",
     },
@@ -10493,6 +10498,7 @@ tsconfig.tsbuildinfo
       {
         "name": "syncpack",
         "type": "build",
+        "version": "^12",
       },
       {
         "name": "ts-node",
@@ -10800,17 +10806,22 @@ tsconfig.tsbuildinfo
   },
   ".syncpackrc.json": {
     "//": "~~ Generated by projen. To modify, edit .projenrc.ts and run "npx projen".",
-    "dependencyTypes": [],
-    "dev": true,
     "filter": ".",
     "indent": "  ",
-    "overrides": true,
-    "peer": true,
-    "pnpmOverrides": true,
-    "prod": true,
-    "resolutions": true,
-    "semverGroups": [],
-    "semverRange": "",
+    "semverGroups": [
+      {
+        "dependencies": [
+          "**",
+        ],
+        "dependencyTypes": [
+          "**",
+        ],
+        "packages": [
+          "**",
+        ],
+        "range": "",
+      },
+    ],
     "sortAz": [
       "contributors",
       "dependencies",
@@ -10828,7 +10839,6 @@ tsconfig.tsbuildinfo
     ],
     "source": [],
     "versionGroups": [],
-    "workspace": true,
   },
   "LICENSE": "
                                  Apache License
@@ -11104,7 +11114,7 @@ tsconfig.tsbuildinfo
       "nx": "16.0.0",
       "prettier": "*",
       "projen": "*",
-      "syncpack": "*",
+      "syncpack": "^12",
       "ts-node": "*",
       "typescript": "*",
     },
@@ -17948,6 +17958,7 @@ tsconfig.tsbuildinfo
       {
         "name": "syncpack",
         "type": "build",
+        "version": "^12",
       },
       {
         "name": "ts-node",
@@ -18255,17 +18266,22 @@ tsconfig.tsbuildinfo
   },
   ".syncpackrc.json": {
     "//": "~~ Generated by projen. To modify, edit .projenrc.ts and run "npx projen".",
-    "dependencyTypes": [],
-    "dev": true,
     "filter": ".",
     "indent": "  ",
-    "overrides": true,
-    "peer": true,
-    "pnpmOverrides": true,
-    "prod": true,
-    "resolutions": true,
-    "semverGroups": [],
-    "semverRange": "",
+    "semverGroups": [
+      {
+        "dependencies": [
+          "**",
+        ],
+        "dependencyTypes": [
+          "**",
+        ],
+        "packages": [
+          "**",
+        ],
+        "range": "",
+      },
+    ],
     "sortAz": [
       "contributors",
       "dependencies",
@@ -18283,7 +18299,6 @@ tsconfig.tsbuildinfo
     ],
     "source": [],
     "versionGroups": [],
-    "workspace": true,
   },
   "LICENSE": "
                                  Apache License
@@ -18559,7 +18574,7 @@ tsconfig.tsbuildinfo
       "nx": "16.0.0",
       "prettier": "*",
       "projen": "*",
-      "syncpack": "*",
+      "syncpack": "^12",
       "ts-node": "*",
       "typescript": "*",
     },
@@ -32869,6 +32884,7 @@ tsconfig.tsbuildinfo
       {
         "name": "syncpack",
         "type": "build",
+        "version": "^12",
       },
       {
         "name": "ts-node",
@@ -33176,17 +33192,22 @@ tsconfig.tsbuildinfo
   },
   ".syncpackrc.json": {
     "//": "~~ Generated by projen. To modify, edit .projenrc.ts and run "npx projen".",
-    "dependencyTypes": [],
-    "dev": true,
     "filter": ".",
     "indent": "  ",
-    "overrides": true,
-    "peer": true,
-    "pnpmOverrides": true,
-    "prod": true,
-    "resolutions": true,
-    "semverGroups": [],
-    "semverRange": "",
+    "semverGroups": [
+      {
+        "dependencies": [
+          "**",
+        ],
+        "dependencyTypes": [
+          "**",
+        ],
+        "packages": [
+          "**",
+        ],
+        "range": "",
+      },
+    ],
     "sortAz": [
       "contributors",
       "dependencies",
@@ -33204,7 +33225,6 @@ tsconfig.tsbuildinfo
     ],
     "source": [],
     "versionGroups": [],
-    "workspace": true,
   },
   "LICENSE": "
                                  Apache License
@@ -33480,7 +33500,7 @@ tsconfig.tsbuildinfo
       "nx": "16.0.0",
       "prettier": "*",
       "projen": "*",
-      "syncpack": "*",
+      "syncpack": "^12",
       "ts-node": "*",
       "typescript": "*",
     },
@@ -39716,6 +39736,7 @@ tsconfig.tsbuildinfo
       {
         "name": "syncpack",
         "type": "build",
+        "version": "^12",
       },
       {
         "name": "ts-node",
@@ -40015,17 +40036,22 @@ tsconfig.tsbuildinfo
   },
   ".syncpackrc.json": {
     "//": "~~ Generated by projen. To modify, edit .projenrc.ts and run "npx projen".",
-    "dependencyTypes": [],
-    "dev": true,
     "filter": ".",
     "indent": "  ",
-    "overrides": true,
-    "peer": true,
-    "pnpmOverrides": true,
-    "prod": true,
-    "resolutions": true,
-    "semverGroups": [],
-    "semverRange": "",
+    "semverGroups": [
+      {
+        "dependencies": [
+          "**",
+        ],
+        "dependencyTypes": [
+          "**",
+        ],
+        "packages": [
+          "**",
+        ],
+        "range": "",
+      },
+    ],
     "sortAz": [
       "contributors",
       "dependencies",
@@ -40043,7 +40069,6 @@ tsconfig.tsbuildinfo
     ],
     "source": [],
     "versionGroups": [],
-    "workspace": true,
   },
   "LICENSE": "
                                  Apache License
@@ -40319,7 +40344,7 @@ tsconfig.tsbuildinfo
       "nx": "16.0.0",
       "prettier": "*",
       "projen": "*",
-      "syncpack": "*",
+      "syncpack": "^12",
       "ts-node": "*",
       "typescript": "*",
     },
@@ -45746,6 +45771,7 @@ resolution-mode=highest
       {
         "name": "syncpack",
         "type": "build",
+        "version": "^12",
       },
       {
         "name": "ts-node",
@@ -46047,17 +46073,22 @@ resolution-mode=highest
   },
   ".syncpackrc.json": {
     "//": "~~ Generated by projen. To modify, edit .projenrc.ts and run "pnpm exec projen".",
-    "dependencyTypes": [],
-    "dev": true,
     "filter": ".",
     "indent": "  ",
-    "overrides": true,
-    "peer": true,
-    "pnpmOverrides": true,
-    "prod": true,
-    "resolutions": true,
-    "semverGroups": [],
-    "semverRange": "",
+    "semverGroups": [
+      {
+        "dependencies": [
+          "**",
+        ],
+        "dependencyTypes": [
+          "**",
+        ],
+        "packages": [
+          "**",
+        ],
+        "range": "",
+      },
+    ],
     "sortAz": [
       "contributors",
       "dependencies",
@@ -46075,7 +46106,6 @@ resolution-mode=highest
     ],
     "source": [],
     "versionGroups": [],
-    "workspace": true,
   },
   "LICENSE": "
                                  Apache License
@@ -46351,7 +46381,7 @@ resolution-mode=highest
       "nx": "16.0.0",
       "prettier": "*",
       "projen": "*",
-      "syncpack": "*",
+      "syncpack": "^12",
       "ts-node": "*",
       "typescript": "*",
     },
@@ -52349,6 +52379,7 @@ tsconfig.tsbuildinfo
       {
         "name": "syncpack",
         "type": "build",
+        "version": "^12",
       },
       {
         "name": "ts-node",
@@ -52656,17 +52687,22 @@ tsconfig.tsbuildinfo
   },
   ".syncpackrc.json": {
     "//": "~~ Generated by projen. To modify, edit .projenrc.ts and run "npx projen".",
-    "dependencyTypes": [],
-    "dev": true,
     "filter": ".",
     "indent": "  ",
-    "overrides": true,
-    "peer": true,
-    "pnpmOverrides": true,
-    "prod": true,
-    "resolutions": true,
-    "semverGroups": [],
-    "semverRange": "",
+    "semverGroups": [
+      {
+        "dependencies": [
+          "**",
+        ],
+        "dependencyTypes": [
+          "**",
+        ],
+        "packages": [
+          "**",
+        ],
+        "range": "",
+      },
+    ],
     "sortAz": [
       "contributors",
       "dependencies",
@@ -52684,7 +52720,6 @@ tsconfig.tsbuildinfo
     ],
     "source": [],
     "versionGroups": [],
-    "workspace": true,
   },
   "LICENSE": "
                                  Apache License
@@ -52960,7 +52995,7 @@ tsconfig.tsbuildinfo
       "nx": "16.0.0",
       "prettier": "*",
       "projen": "*",
-      "syncpack": "*",
+      "syncpack": "^12",
       "ts-node": "*",
       "typescript": "*",
     },
@@ -59990,6 +60025,7 @@ tsconfig.tsbuildinfo
       {
         "name": "syncpack",
         "type": "build",
+        "version": "^12",
       },
       {
         "name": "ts-node",
@@ -60297,17 +60333,22 @@ tsconfig.tsbuildinfo
   },
   ".syncpackrc.json": {
     "//": "~~ Generated by projen. To modify, edit .projenrc.ts and run "npx projen".",
-    "dependencyTypes": [],
-    "dev": true,
     "filter": ".",
     "indent": "  ",
-    "overrides": true,
-    "peer": true,
-    "pnpmOverrides": true,
-    "prod": true,
-    "resolutions": true,
-    "semverGroups": [],
-    "semverRange": "",
+    "semverGroups": [
+      {
+        "dependencies": [
+          "**",
+        ],
+        "dependencyTypes": [
+          "**",
+        ],
+        "packages": [
+          "**",
+        ],
+        "range": "",
+      },
+    ],
     "sortAz": [
       "contributors",
       "dependencies",
@@ -60325,7 +60366,6 @@ tsconfig.tsbuildinfo
     ],
     "source": [],
     "versionGroups": [],
-    "workspace": true,
   },
   "LICENSE": "
                                  Apache License
@@ -60601,7 +60641,7 @@ tsconfig.tsbuildinfo
       "nx": "16.0.0",
       "prettier": "*",
       "projen": "*",
-      "syncpack": "*",
+      "syncpack": "^12",
       "ts-node": "*",
       "typescript": "*",
     },
@@ -67085,6 +67125,7 @@ tsconfig.tsbuildinfo
       {
         "name": "syncpack",
         "type": "build",
+        "version": "^12",
       },
       {
         "name": "ts-node",
@@ -67385,17 +67426,22 @@ tsconfig.tsbuildinfo
   },
   ".syncpackrc.json": {
     "//": "~~ Generated by projen. To modify, edit .projenrc.ts and run "yarn exec projen".",
-    "dependencyTypes": [],
-    "dev": true,
     "filter": ".",
     "indent": "  ",
-    "overrides": true,
-    "peer": true,
-    "pnpmOverrides": true,
-    "prod": true,
-    "resolutions": true,
-    "semverGroups": [],
-    "semverRange": "",
+    "semverGroups": [
+      {
+        "dependencies": [
+          "**",
+        ],
+        "dependencyTypes": [
+          "**",
+        ],
+        "packages": [
+          "**",
+        ],
+        "range": "",
+      },
+    ],
     "sortAz": [
       "contributors",
       "dependencies",
@@ -67413,7 +67459,6 @@ tsconfig.tsbuildinfo
     ],
     "source": [],
     "versionGroups": [],
-    "workspace": true,
   },
   ".yarnrc.yml": "# ~~ Generated by projen. To modify, edit .projenrc.ts and run "yarn exec projen".
 
@@ -67693,7 +67738,7 @@ tsconfig.tsbuildinfo
       "nx": "16.0.0",
       "prettier": "*",
       "projen": "*",
-      "syncpack": "*",
+      "syncpack": "^12",
       "ts-node": "*",
       "typescript": "*",
     },
@@ -73145,6 +73190,7 @@ tsconfig.tsbuildinfo
       {
         "name": "syncpack",
         "type": "build",
+        "version": "^12",
       },
       {
         "name": "ts-node",
@@ -73444,17 +73490,22 @@ tsconfig.tsbuildinfo
   },
   ".syncpackrc.json": {
     "//": "~~ Generated by projen. To modify, edit .projenrc.ts and run "yarn projen".",
-    "dependencyTypes": [],
-    "dev": true,
     "filter": ".",
     "indent": "  ",
-    "overrides": true,
-    "peer": true,
-    "pnpmOverrides": true,
-    "prod": true,
-    "resolutions": true,
-    "semverGroups": [],
-    "semverRange": "",
+    "semverGroups": [
+      {
+        "dependencies": [
+          "**",
+        ],
+        "dependencyTypes": [
+          "**",
+        ],
+        "packages": [
+          "**",
+        ],
+        "range": "",
+      },
+    ],
     "sortAz": [
       "contributors",
       "dependencies",
@@ -73472,7 +73523,6 @@ tsconfig.tsbuildinfo
     ],
     "source": [],
     "versionGroups": [],
-    "workspace": true,
   },
   "LICENSE": "
                                  Apache License
@@ -73748,7 +73798,7 @@ tsconfig.tsbuildinfo
       "nx": "16.0.0",
       "prettier": "*",
       "projen": "*",
-      "syncpack": "*",
+      "syncpack": "^12",
       "ts-node": "*",
       "typescript": "*",
     },
diff --git a/pnpm-lock.yaml b/pnpm-lock.yaml
index 520859e22..4d06542fc 100644
--- a/pnpm-lock.yaml
+++ b/pnpm-lock.yaml
@@ -119,8 +119,8 @@ importers:
         specifier: ^2.8.8
         version: 2.8.8
       syncpack:
-        specifier: ^9.8.6
-        version: 9.8.6
+        specifier: ^12
+        version: 12.3.0(typescript@5.2.2)
       ts-node:
         specifier: ^10.9.1
         version: 10.9.1(@types/node@18.18.9)(typescript@5.2.2)
@@ -2479,6 +2479,7 @@ packages:
     engines: {node: '>=6.9.0'}
     dependencies:
       '@babel/highlight': 7.18.6
+    dev: true
 
   /@babel/code-frame@7.22.13:
     resolution: {integrity: sha512-XktuhWlJ5g+3TJXc5upd9Ks1HutSArik6jf2eAjYFyIOf4ej3RN+184cZbzDvbPnuTJIUhPKKJE3cIsYTiAT3w==}
@@ -2486,7 +2487,6 @@ packages:
     dependencies:
       '@babel/highlight': 7.22.20
       chalk: 2.4.2
-    dev: true
 
   /@babel/compat-data@7.21.7:
     resolution: {integrity: sha512-KYMqFYTaenzMK4yUtf4EW9wc4N9ef80FsbMtkwool5zpwl4YrT1SdWYSTRcT94KO4hannogdS+LxY7L+arP3gA==}
@@ -2627,11 +2627,11 @@ packages:
   /@babel/helper-validator-identifier@7.19.1:
     resolution: {integrity: sha512-awrNfaMtnHUr653GgGEs++LlAvW6w+DcPrOliSMXWCKo597CwL5Acf/wWdNkf/tfEQE3mjkeD1YOVZOUV/od1w==}
     engines: {node: '>=6.9.0'}
+    dev: true
 
   /@babel/helper-validator-identifier@7.22.20:
     resolution: {integrity: sha512-Y4OZ+ytlatR8AI+8KZfKuL5urKp7qey08ha31L8b3BwewJAoJamTzyvxPR/5D+KkdJCGPq/+8TukHBlY10FX9A==}
     engines: {node: '>=6.9.0'}
-    dev: true
 
   /@babel/helper-validator-option@7.21.0:
     resolution: {integrity: sha512-rmL/B8/f0mKS2baE9ZpyTcTavvEuWhTTW8amjzXNvYG4AwBsqTLikfXsEofsJEfKHf+HQVQbFOHy6o+4cnC/fQ==}
@@ -2656,6 +2656,7 @@ packages:
       '@babel/helper-validator-identifier': 7.19.1
       chalk: 2.4.2
       js-tokens: 4.0.0
+    dev: true
 
   /@babel/highlight@7.22.20:
     resolution: {integrity: sha512-dkdMCN3py0+ksCgYmGG8jKeGA/8Tk+gJwSYYlFGxG5lmhfKNoAy004YpLxpS1W2J8m/EK2Ew+yOs9pVRwO89mg==}
@@ -2664,7 +2665,6 @@ packages:
       '@babel/helper-validator-identifier': 7.22.20
       chalk: 2.4.2
       js-tokens: 4.0.0
-    dev: true
 
   /@babel/parser@7.21.8:
     resolution: {integrity: sha512-6zavDGdzG3gUqAdWvlLFfk+36RilI+Pwyuuh7HItyeScCWP3k6i8vKclAQ0bM/0y/Kz/xiwvxhMv9MgTJP5gmA==}
@@ -2815,7 +2815,7 @@ packages:
     resolution: {integrity: sha512-8SegXApWe6VoNw0r9JHpSteLKTpTiLZ4rMlGIm9JQ18KiCtyQiAMEazujAHrUS5flrcqYZa75ukev3P6QmUwUw==}
     engines: {node: '>=6.9.0'}
     dependencies:
-      '@babel/code-frame': 7.21.4
+      '@babel/code-frame': 7.22.13
       '@babel/parser': 7.21.8
       '@babel/types': 7.21.5
     dev: true
@@ -3054,6 +3054,16 @@ packages:
     dependencies:
       '@jridgewell/trace-mapping': 0.3.9
 
+  /@effect/schema@0.56.1(effect@2.0.0-next.62)(fast-check@3.15.0):
+    resolution: {integrity: sha512-cfEyHLXPdzSKzJU/yYrPjFd0iVHPydh+NT0sgTe4bzXbcvOsKZuvQ86cAAwXN7lxY0N5cPes9ACxUxTdkEaNlw==}
+    peerDependencies:
+      effect: 2.0.0-next.62
+      fast-check: ^3.13.2
+    dependencies:
+      effect: 2.0.0-next.62
+      fast-check: 3.15.0
+    dev: true
+
   /@eslint-community/eslint-utils@4.4.0(eslint@8.39.0):
     resolution: {integrity: sha512-1/sA4dwrzBAyeUoQ6oxahHKmrZvsnLCg4RfxW3ZFGGmQkSNQPFNLV9CUEFQP1x9EYXHTo5p6xdhZM1Ne9p/AfA==}
     engines: {node: ^12.22.0 || ^14.17.0 || >=16.0.0}
@@ -6575,6 +6585,11 @@ packages:
     engines: {node: '>=14'}
     dev: true
 
+  /commander@11.1.0:
+    resolution: {integrity: sha512-yPVavfyCcRhmorC7rWlkHn15b4wDVgVmBA7kV4QVBsF7kv/9TKJAbAXVTxvTnwP8HHKjRCJDClKbciiYS7p0DQ==}
+    engines: {node: '>=16'}
+    dev: true
+
   /commander@2.1.0:
     resolution: {integrity: sha512-J2wnb6TKniXNOtoHS8TSrG9IOQluPrsmyAJ8oCUJOBmv+uLBCyPYAZkD2jFvw2DCzIXNnISIM01NIvr35TkBMQ==}
     engines: {node: '>= 0.6.x'}
@@ -6866,6 +6881,22 @@ packages:
       path-type: 4.0.0
     dev: true
 
+  /cosmiconfig@9.0.0(typescript@5.2.2):
+    resolution: {integrity: sha512-itvL5h8RETACmOTFc4UfIyB2RfEHi71Ax6E/PivVxq9NseKbOWpeyHEOIbmAw1rs8Ak0VursQNww7lf7YtUwzg==}
+    engines: {node: '>=14'}
+    peerDependencies:
+      typescript: '>=4.9.5'
+    peerDependenciesMeta:
+      typescript:
+        optional: true
+    dependencies:
+      env-paths: 2.2.1
+      import-fresh: 3.3.0
+      js-yaml: 4.1.0
+      parse-json: 5.2.0
+      typescript: 5.2.2
+    dev: true
+
   /create-jest@29.7.0(@types/node@18.18.9)(ts-node@10.9.1):
     resolution: {integrity: sha512-Adz2bdH0Vq3F53KEMJOoftQFutWCukm6J24wbPWRO4k1kMY7gS7ds/uoJkNuV8wDCtWWnuwGcJwpWcih+zEW1Q==}
     engines: {node: ^14.15.0 || ^16.10.0 || >=18.0.0}
@@ -7223,7 +7254,7 @@ packages:
     dependencies:
       semver: 7.5.4
       shelljs: 0.8.5
-      typescript: 5.4.0-dev.20240107
+      typescript: 5.4.0-dev.20240128
     dev: true
 
   /duplexer2@0.0.2:
@@ -7258,6 +7289,10 @@ packages:
       safer-buffer: 2.1.2
     dev: true
 
+  /effect@2.0.0-next.62:
+    resolution: {integrity: sha512-fJhLzf5oouL4WZP314ZJgZz5Bel7OHTY+YFxO06sW1mSvqJz0s28y7jDHr5zhtTNM1YRvzbeLYUYfNaJYKqx1A==}
+    dev: true
+
   /ejs@3.1.9:
     resolution: {integrity: sha512-rC+QVNMJWv+MtPgkt0y+0rVEIdbtxVADApW9JXrUVlzHetgcyczP/E7DJmWJ4fJCZF2cPcBk0laWO9ZHMG3DmQ==}
     engines: {node: '>=0.10.0'}
@@ -7317,6 +7352,14 @@ packages:
       ansi-colors: 4.1.3
     dev: true
 
+  /enquirer@2.4.1:
+    resolution: {integrity: sha512-rRqJg/6gd538VHvR3PSrdRBb/1Vy2YfzHqzvbhGIQpDRKIa4FgV/54b5Q1xYSxOOwKvjXweS26E0Q+nAMwp2pQ==}
+    engines: {node: '>=8.6'}
+    dependencies:
+      ansi-colors: 4.1.3
+      strip-ansi: 6.0.1
+    dev: true
+
   /entities@2.0.3:
     resolution: {integrity: sha512-MyoZ0jgnLvB2X3Lg5HqpFmn1kybDiIfEQmKzTb5apr51Rb+T3KdmMiqa70T+bhGnyv7bQ6WMj2QMHpGMmlrUYQ==}
     dev: true
@@ -7814,6 +7857,13 @@ packages:
     engines: {'0': node >=0.6.0}
     dev: true
 
+  /fast-check@3.15.0:
+    resolution: {integrity: sha512-iBz6c+EXL6+nI931x/sbZs1JYTZtLG6Cko0ouS8LRTikhDR7+wZk4TYzdRavlnByBs2G6+nuuJ7NYL9QplNt8Q==}
+    engines: {node: '>=8.0.0'}
+    dependencies:
+      pure-rand: 6.0.2
+    dev: true
+
   /fast-deep-equal@3.1.3:
     resolution: {integrity: sha512-f3qQ9oQy9j2AhBe/H9VC91wLmKBCCU/gDOnKNAYG5hswO7BLKj09Hc5HYNz9cGI++xlpDCIgDaitVs03ATR84Q==}
 
@@ -8763,6 +8813,13 @@ packages:
     dependencies:
       lru-cache: 7.18.3
 
+  /hosted-git-info@7.0.1:
+    resolution: {integrity: sha512-+K84LB1DYwMHoHSgaOY/Jfhw3ucPmSET5v98Ke/HdNSw4a0UktWzyW1mjhjpuxxTqOOsfWT/7iVshHmVZ4IpOA==}
+    engines: {node: ^16.14.0 || >=18.0.0}
+    dependencies:
+      lru-cache: 10.2.0
+    dev: true
+
   /html-escaper@2.0.2:
     resolution: {integrity: sha512-H2iMtd0I4Mt5eYiapRdIDjp+XzelXQ0tFE4JS7YFwFevXXMmOp9myNrUvCg0D6ws8iqkRPBfKHgbwig1SmlLfg==}
     dev: true
@@ -10559,6 +10616,11 @@ packages:
     engines: {node: ^12.20.0 || ^14.13.1 || >=16.0.0}
     dev: true
 
+  /lru-cache@10.2.0:
+    resolution: {integrity: sha512-2bIM8x+VAf6JT4bKAljS1qUWgMsqZRPGJS6FSahIMPVvctcNhyVp7AJu7quxOW9jwkryBReKZY5tY5JYv2n/7Q==}
+    engines: {node: 14 || >=16.14}
+    dev: true
+
   /lru-cache@5.1.1:
     resolution: {integrity: sha512-KpNARQA3Iwv+jTA0utUVVbrh+Jlrr1Fv0e56GGzAFOXN7dk/FviaDW8LHmK52DlcH4WP2n6gI8vN1aesBFgo9w==}
     dependencies:
@@ -11316,6 +11378,16 @@ packages:
       validate-npm-package-name: 5.0.0
     dev: true
 
+  /npm-package-arg@11.0.1:
+    resolution: {integrity: sha512-M7s1BD4NxdAvBKUPqqRW957Xwcl/4Zvo8Aj+ANrzvIPzGJZElrH7Z//rSaec2ORcND6FHHLnZeY8qgTpXDMFQQ==}
+    engines: {node: ^16.14.0 || >=18.0.0}
+    dependencies:
+      hosted-git-info: 7.0.1
+      proc-log: 3.0.0
+      semver: 7.5.4
+      validate-npm-package-name: 5.0.0
+    dev: true
+
   /npm-package-arg@8.1.1:
     resolution: {integrity: sha512-CsP95FhWQDwNqiYS+Q0mZ7FAEDytDZAkNxQqea6IaAFJTAY9Lhhqyl0irU/6PMc7BGfUmnsbHcqxJD7XuVM/rg==}
     engines: {node: '>=10'}
@@ -11996,7 +12068,7 @@ packages:
     resolution: {integrity: sha512-ayCKvm/phCGxOkYRSCM82iDwct8/EonSEgCSxWxD7ve6jHggsFl4fZVQBPRNgQoKiuV/odhFrGzQXZwbifC8Rg==}
     engines: {node: '>=8'}
     dependencies:
-      '@babel/code-frame': 7.21.4
+      '@babel/code-frame': 7.22.13
       error-ex: 1.3.2
       json-parse-even-better-errors: 2.3.1
       lines-and-columns: 1.2.4
@@ -12970,14 +13042,6 @@ packages:
       lru-cache: 6.0.0
     dev: true
 
-  /semver@7.5.0:
-    resolution: {integrity: sha512-+XC0AD/R7Q2mPSRuy2Id0+CGTZ98+8f+KvwirxOKIEyid+XSx6HbC63p+O4IndTHuX5Z+JxQ0TghCkO5Cg/2HA==}
-    engines: {node: '>=10'}
-    hasBin: true
-    dependencies:
-      lru-cache: 6.0.0
-    dev: true
-
   /semver@7.5.3:
     resolution: {integrity: sha512-QBlUtyVk/5EeHbi7X0fw6liDZc7BBmEaSYn01fMU1OUYbf6GPsbTtd8WmnqbI20SeycoHSeiybkE/q1Q+qlThQ==}
     engines: {node: '>=10'}
@@ -13539,21 +13603,29 @@ packages:
       xml-reader: 2.4.3
     dev: false
 
-  /syncpack@9.8.6:
-    resolution: {integrity: sha512-4S4cUoKK9WenA/Wdk9GvlekzPR9PxC7sqcsUIsK4ypsa/pIYv8Ju1vxGNvp6Y1yI2S9EdCk0QJsB3/wRB8XYVw==}
-    engines: {node: '>=14'}
+  /syncpack@12.3.0(typescript@5.2.2):
+    resolution: {integrity: sha512-Gz2uGn96OmGfVVlKztvFac1EJYjP+WptQ2ohA6Uf48C6qLkhSayhkdujKQ6q7bGOTy8HSGI0iDfwfCJu6wvRig==}
+    engines: {node: '>=16'}
     hasBin: true
     dependencies:
+      '@effect/schema': 0.56.1(effect@2.0.0-next.62)(fast-check@3.15.0)
       chalk: 4.1.2
-      commander: 10.0.1
-      cosmiconfig: 8.1.3
-      fs-extra: 11.1.1
-      glob: 8.1.0
-      minimatch: 6.2.0
+      commander: 11.1.0
+      cosmiconfig: 9.0.0(typescript@5.2.2)
+      effect: 2.0.0-next.62
+      enquirer: 2.4.1
+      fast-check: 3.15.0
+      globby: 11.1.0
+      minimatch: 9.0.3
+      npm-package-arg: 11.0.1
+      ora: 5.4.1
+      prompts: 2.4.2
       read-yaml-file: 2.1.0
-      semver: 7.5.0
+      semver: 7.5.4
       tightrope: 0.1.0
-      zod: 3.21.4
+      ts-toolbelt: 9.6.0
+    transitivePeerDependencies:
+      - typescript
     dev: true
 
   /table-layout@1.0.2:
@@ -13914,6 +13986,10 @@ packages:
       yn: 3.1.1
     dev: true
 
+  /ts-toolbelt@9.6.0:
+    resolution: {integrity: sha512-nsZd8ZeNUzukXPlJmTBwUAuABDe/9qtVDelJeT/qW0ow3ZS3BsQJtNkan1802aM9Uf68/Y8ljw86Hu0h5IUW3w==}
+    dev: true
+
   /tsconfig-paths@3.14.2:
     resolution: {integrity: sha512-o/9iXgCYc5L/JxCHPe3Hvh8Q/2xm5Z+p18PESBU6Ff33695QnCHBEjcytY2q19ua7Mbl/DavtBOLq+oG0RCL+g==}
     dependencies:
@@ -14092,8 +14168,8 @@ packages:
     engines: {node: '>=14.17'}
     hasBin: true
 
-  /typescript@5.4.0-dev.20240107:
-    resolution: {integrity: sha512-6EfwZFaO82JLhOUsgQ3+c4lHuYS4WAQ6xBC767qWwJGf7BKYYeSFUkSptSkNhWOdeCEhdooudx22mkU8LphAPg==}
+  /typescript@5.4.0-dev.20240128:
+    resolution: {integrity: sha512-SfSvvhZKrpjP/LSfkjpg/VUFMXElCXEtU7SzfHoPph8e3PBlbjZlQdLczkEr95M7wj8V/iiXWyqAoPuQ6nuI4A==}
     engines: {node: '>=14.17'}
     hasBin: true
     dev: true
@@ -14665,7 +14741,3 @@ packages:
     resolution: {integrity: sha512-rVksvsnNCdJ/ohGc6xgPwyN8eheCxsiLM8mxuE/t/mOVqJewPuO1miLpTHQiRgTKCLexL4MeAFVagts7HmNZ2Q==}
     engines: {node: '>=10'}
     dev: true
-
-  /zod@3.21.4:
-    resolution: {integrity: sha512-m46AKbrzKVzOzs/DZgVnG5H55N1sv1M8qZU3A8RIKbs3mrACDNeIOeilDymVb2HdmP8uwshOCF4uJ8uM9rCqJw==}
-    dev: true
diff --git a/projenrc/projects/pdk-monorepo-project.ts b/projenrc/projects/pdk-monorepo-project.ts
index 89990e703..3af9fe2f3 100644
--- a/projenrc/projects/pdk-monorepo-project.ts
+++ b/projenrc/projects/pdk-monorepo-project.ts
@@ -2,7 +2,7 @@
 SPDX-License-Identifier: Apache-2.0 */
 import { Project } from "projen";
 import { NodePackageManager, NodeProject } from "projen/lib/javascript";
-import { MonorepoTsProject, DEFAULT_CONFIG } from "../../packages/monorepo/src";
+import { MonorepoTsProject, Syncpack } from "../../packages/monorepo/src";
 import { PDK_NAMESPACE } from "../abstract/pdk-project";
 
 const HEADER_RULE = {
@@ -47,7 +47,10 @@ export class PDKMonorepoProject extends MonorepoTsProject {
         "@jsii/spec",
       ],
       monorepoUpgradeDepsOptions: {
-        syncpackConfig: { ...DEFAULT_CONFIG, workspace: false },
+        syncpackConfig: {
+          ...Syncpack.DEFAULT_CONFIG,
+          dependencyTypes: ["!local"],
+        },
       },
       deps: [
         "fast-xml-parser",