diff --git a/package-lock.json b/package-lock.json
index 4df135a0..91631f15 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -105,7 +105,7 @@
         "tap": "^21.0.0",
         "terminal-link": "^3.0.0",
         "type-coverage": "^2.29.1",
-        "typescript": "~5.4.5",
+        "typescript": "~5.5.4",
         "unplugin-purge-polyfills": "^0.0.4",
         "update-notifier": "^7.2.0",
         "validate-npm-package-name": "^5.0.1"
@@ -192,20 +192,6 @@
         "node": ">=16.0.0"
       }
     },
-    "node_modules/@appthreat/atom/node_modules/typescript": {
-      "version": "5.5.4",
-      "resolved": "https://registry.npmjs.org/typescript/-/typescript-5.5.4.tgz",
-      "integrity": "sha512-Mtq29sKDAEYP7aljRgtPOpTvOfbwRWlS6dPRzwjdE+C0R4brX/GUyhHSecbHMFLNBLcJIPt9nl9yG5TZ1weH+Q==",
-      "license": "Apache-2.0",
-      "optional": true,
-      "bin": {
-        "tsc": "bin/tsc",
-        "tsserver": "bin/tsserver"
-      },
-      "engines": {
-        "node": ">=14.17"
-      }
-    },
     "node_modules/@appthreat/cdx-proto": {
       "version": "1.0.1",
       "resolved": "https://registry.npmjs.org/@appthreat/cdx-proto/-/cdx-proto-1.0.1.tgz",
@@ -5226,20 +5212,6 @@
         "url": "https://github.com/sponsors/isaacs"
       }
     },
-    "node_modules/@tapjs/test/node_modules/typescript": {
-      "version": "5.5.4",
-      "resolved": "https://registry.npmjs.org/typescript/-/typescript-5.5.4.tgz",
-      "integrity": "sha512-Mtq29sKDAEYP7aljRgtPOpTvOfbwRWlS6dPRzwjdE+C0R4brX/GUyhHSecbHMFLNBLcJIPt9nl9yG5TZ1weH+Q==",
-      "dev": true,
-      "license": "Apache-2.0",
-      "bin": {
-        "tsc": "bin/tsc",
-        "tsserver": "bin/tsserver"
-      },
-      "engines": {
-        "node": ">=14.17"
-      }
-    },
     "node_modules/@tapjs/test/node_modules/walk-up-path": {
       "version": "4.0.0",
       "resolved": "https://registry.npmjs.org/walk-up-path/-/walk-up-path-4.0.0.tgz",
@@ -16669,20 +16641,6 @@
         "url": "https://github.com/sponsors/isaacs"
       }
     },
-    "node_modules/tshy/node_modules/typescript": {
-      "version": "5.5.4",
-      "resolved": "https://registry.npmjs.org/typescript/-/typescript-5.5.4.tgz",
-      "integrity": "sha512-Mtq29sKDAEYP7aljRgtPOpTvOfbwRWlS6dPRzwjdE+C0R4brX/GUyhHSecbHMFLNBLcJIPt9nl9yG5TZ1weH+Q==",
-      "dev": true,
-      "license": "Apache-2.0",
-      "bin": {
-        "tsc": "bin/tsc",
-        "tsserver": "bin/tsserver"
-      },
-      "engines": {
-        "node": ">=14.17"
-      }
-    },
     "node_modules/tshy/node_modules/walk-up-path": {
       "version": "4.0.0",
       "resolved": "https://registry.npmjs.org/walk-up-path/-/walk-up-path-4.0.0.tgz",
@@ -16875,11 +16833,10 @@
       }
     },
     "node_modules/typescript": {
-      "version": "5.4.5",
-      "resolved": "https://registry.npmjs.org/typescript/-/typescript-5.4.5.tgz",
-      "integrity": "sha512-vcI4UpRgg81oIRUFwR0WSIHKt11nJ7SAVlYNIu+QpqeyXP+gpQJy/Z4+F0aGxSE4MqwjyXvW/TzgkLAx2AGHwQ==",
-      "dev": true,
-      "license": "Apache-2.0",
+      "version": "5.5.4",
+      "resolved": "https://registry.npmjs.org/typescript/-/typescript-5.5.4.tgz",
+      "integrity": "sha512-Mtq29sKDAEYP7aljRgtPOpTvOfbwRWlS6dPRzwjdE+C0R4brX/GUyhHSecbHMFLNBLcJIPt9nl9yG5TZ1weH+Q==",
+      "devOptional": true,
       "bin": {
         "tsc": "bin/tsc",
         "tsserver": "bin/tsserver"
diff --git a/package.json b/package.json
index 9bc3a0c6..e8b1c708 100644
--- a/package.json
+++ b/package.json
@@ -116,7 +116,7 @@
     "tap": "^21.0.0",
     "terminal-link": "^3.0.0",
     "type-coverage": "^2.29.1",
-    "typescript": "~5.4.5",
+    "typescript": "~5.5.4",
     "unplugin-purge-polyfills": "^0.0.4",
     "update-notifier": "^7.2.0",
     "validate-npm-package-name": "^5.0.1"