diff --git a/.changeset/witty-dodos-juggle.md b/.changeset/witty-dodos-juggle.md
new file mode 100644
index 00000000000..1f74a9661a8
--- /dev/null
+++ b/.changeset/witty-dodos-juggle.md
@@ -0,0 +1,6 @@
+---
+'@shopify/theme': patch
+'@shopify/app': patch
+---
+
+Bump @shopify/theme-check-node & @shopify/theme-language-server
diff --git a/packages/app/package.json b/packages/app/package.json
index e7c24740eed..8fb1d1d275f 100644
--- a/packages/app/package.json
+++ b/packages/app/package.json
@@ -57,7 +57,7 @@
     "@shopify/polaris": "12.10.0",
     "@shopify/polaris-icons": "8.0.0",
     "@shopify/theme": "3.70.0",
-    "@shopify/theme-check-node": "2.9.2",
+    "@shopify/theme-check-node": "3.2.2",
     "body-parser": "1.20.2",
     "camelcase-keys": "9.1.3",
     "chokidar": "3.5.3",
diff --git a/packages/app/src/cli/services/build/theme-check.ts b/packages/app/src/cli/services/build/theme-check.ts
index 3851078d73f..53a00faebd0 100644
--- a/packages/app/src/cli/services/build/theme-check.ts
+++ b/packages/app/src/cli/services/build/theme-check.ts
@@ -1,12 +1,13 @@
 import {readFileSync} from '@shopify/cli-kit/node/fs'
 import {itemToString} from '@shopify/cli-kit/node/output'
 import {TokenItem} from '@shopify/cli-kit/node/ui'
-import {Severity, type Offense, check} from '@shopify/theme-check-node'
+import {Severity, type Offense, check, path as pathUtils} from '@shopify/theme-check-node'
 
 /**
  * Returns a code snippet from a file. All line numbers given MUST be zero indexed
  */
-function getSnippet(absolutePath: string, startLine: number, endLine: number) {
+function getSnippet(uri: string, startLine: number, endLine: number) {
+  const absolutePath = pathUtils.fsPath(uri)
   const fileContent = readFileSync(absolutePath).toString()
   const lines = fileContent.split('\n')
   const snippetLines = lines.slice(startLine, endLine + 1)
@@ -45,9 +46,9 @@ function severityToToken(severity: Severity) {
  */
 function formatOffenses(offenses: Offense[]): TokenItem {
   const offenseBodies = offenses.map((offense, index) => {
-    const {message, absolutePath, start, end, check, severity} = offense
+    const {message, uri, start, end, check, severity} = offense
     // Theme check line numbers are zero indexed, but intuitively 1-indexed
-    const codeSnippet = getSnippet(absolutePath, start.line, end.line)
+    const codeSnippet = getSnippet(uri, start.line, end.line)
 
     // Ensure enough padding between offenses
     const offensePadding = index === offenses.length - 1 ? '' : '\n\n'
diff --git a/packages/theme/package.json b/packages/theme/package.json
index 184502fb3f3..a5168f634cc 100644
--- a/packages/theme/package.json
+++ b/packages/theme/package.json
@@ -43,8 +43,8 @@
   "dependencies": {
     "@oclif/core": "3.26.5",
     "@shopify/cli-kit": "3.70.0",
-    "@shopify/theme-check-node": "2.9.2",
-    "@shopify/theme-language-server-node": "1.14.0",
+    "@shopify/theme-check-node": "3.2.2",
+    "@shopify/theme-language-server-node": "2.2.2",
     "chokidar": "3.5.3",
     "h3": "1.12.0",
     "yaml": "2.3.2"
diff --git a/packages/theme/src/cli/commands/theme/check.ts b/packages/theme/src/cli/commands/theme/check.ts
index 32cbd5c30a2..f4a276f2eda 100644
--- a/packages/theme/src/cli/commands/theme/check.ts
+++ b/packages/theme/src/cli/commands/theme/check.ts
@@ -111,7 +111,7 @@ export default class Check extends ThemeCommand {
 
       let version = 'unknown'
       if (pkgJsonPath) {
-        version = (await getPackageVersion(pkgJsonPath)) || 'unknown'
+        version = (await getPackageVersion(pkgJsonPath)) ?? 'unknown'
       }
 
       outputInfo(version)
diff --git a/packages/theme/src/cli/services/check.test.ts b/packages/theme/src/cli/services/check.test.ts
index 63ffe4c4e6c..b5dad9cf7de 100644
--- a/packages/theme/src/cli/services/check.test.ts
+++ b/packages/theme/src/cli/services/check.test.ts
@@ -52,7 +52,7 @@ describe('formatOffenses', () => {
         type: SourceCodeType.LiquidHtml,
         check: 'LiquidHTMLSyntaxError',
         message: 'Attempting to close HtmlElement',
-        absolutePath: '/path/to/file',
+        uri: 'file:///path/to/file',
         severity: Severity.ERROR,
         start: {index: 0, line: 1, character: 0},
         end: {index: 10, line: 1, character: 10},
@@ -80,7 +80,7 @@ describe('formatOffenses', () => {
         type: SourceCodeType.LiquidHtml,
         check: 'LiquidHTMLSyntaxError',
         message: 'Attempting to close HtmlElement',
-        absolutePath: '/path/to/file',
+        uri: 'file:///path/to/file',
         severity: Severity.ERROR,
         start: {index: 0, line: 1, character: 0},
         end: {index: 10, line: 1, character: 10},
@@ -89,7 +89,7 @@ describe('formatOffenses', () => {
         type: SourceCodeType.LiquidHtml,
         check: 'LiquidHTMLSyntaxError',
         message: 'Attempting to close HtmlElement',
-        absolutePath: '/path/to/file',
+        uri: 'file:///path/to/file',
         severity: Severity.WARNING,
         start: {index: 0, line: 2, character: 0},
         end: {index: 10, line: 2, character: 10},
@@ -120,7 +120,7 @@ describe('sortOffenses', () => {
         type: SourceCodeType.LiquidHtml,
         check: 'LiquidHTMLSyntaxError',
         message: 'Attempting to close HtmlElement',
-        absolutePath: '/path/to/file2',
+        uri: 'file:///path/to/file2',
         severity: Severity.ERROR,
         start: {index: 0, line: 1, character: 0},
         end: {index: 10, line: 1, character: 10},
@@ -129,7 +129,7 @@ describe('sortOffenses', () => {
         type: SourceCodeType.LiquidHtml,
         check: 'LiquidHTMLSyntaxError',
         message: 'Attempting to close HtmlElement',
-        absolutePath: '/path/to/file1',
+        uri: 'file:///path/to/file1',
         severity: Severity.WARNING,
         start: {index: 0, line: 1, character: 0},
         end: {index: 10, line: 1, character: 10},
@@ -150,7 +150,7 @@ describe('sortOffenses', () => {
         type: SourceCodeType.LiquidHtml,
         check: 'LiquidHTMLSyntaxError',
         message: 'Attempting to close HtmlElement',
-        absolutePath: '/path/to/file',
+        uri: 'file:///path/to/file',
         severity: Severity.WARNING,
         start: {index: 0, line: 1, character: 0},
         end: {index: 10, line: 1, character: 10},
@@ -159,7 +159,7 @@ describe('sortOffenses', () => {
         type: SourceCodeType.LiquidHtml,
         check: 'LiquidHTMLSyntaxError',
         message: 'Attempting to close HtmlElement',
-        absolutePath: '/path/to/file',
+        uri: 'file:///path/to/file',
         severity: Severity.ERROR,
         start: {index: 0, line: 2, character: 0},
         end: {index: 10, line: 2, character: 10},
@@ -190,7 +190,7 @@ describe('formatSummary', () => {
         type: SourceCodeType.LiquidHtml,
         check: 'LiquidHTMLSyntaxError',
         message: 'Attempting to close HtmlElement',
-        absolutePath: '/path/to/file',
+        uri: 'file:///path/to/file',
         severity: Severity.ERROR,
         start: {index: 0, line: 1, character: 0},
         end: {index: 10, line: 1, character: 10},
@@ -199,7 +199,7 @@ describe('formatSummary', () => {
         type: SourceCodeType.LiquidHtml,
         check: 'LiquidHTMLSyntaxError',
         message: 'Attempting to close HtmlElement',
-        absolutePath: '/path/to/file',
+        uri: 'file:///path/to/file',
         severity: Severity.WARNING,
         start: {index: 0, line: 2, character: 0},
         end: {index: 10, line: 2, character: 10},
@@ -235,7 +235,7 @@ describe('renderOffensesText', () => {
           type: SourceCodeType.LiquidHtml,
           check: 'LiquidHTMLSyntaxError',
           message: 'Attempting to close HtmlElement',
-          absolutePath: '/path/to/file',
+          uri: 'file:///path/to/file',
           severity: Severity.ERROR,
           start: {index: 0, line: 1, character: 0},
           end: {index: 10, line: 1, character: 10},
@@ -258,7 +258,7 @@ describe('formatOffensesJson', () => {
           type: SourceCodeType.LiquidHtml,
           check: 'LiquidHTMLSyntaxError',
           message: 'Attempting to close HtmlElement',
-          absolutePath: '/path/to/file',
+          uri: 'file:///path/to/file',
           severity: Severity.ERROR,
           start: {index: 0, line: 1, character: 0},
           end: {index: 10, line: 1, character: 10},
@@ -267,7 +267,7 @@ describe('formatOffensesJson', () => {
           type: SourceCodeType.LiquidHtml,
           check: 'LiquidHTMLSyntaxError',
           message: 'Attempting to close HtmlElement',
-          absolutePath: '/path/to/file',
+          uri: 'file:///path/to/file',
           severity: Severity.WARNING,
           start: {index: 0, line: 2, character: 0},
           end: {index: 10, line: 2, character: 10},
@@ -333,7 +333,7 @@ describe('handleExit', () => {
         type: SourceCodeType.LiquidHtml,
         check: 'LiquidHTMLSyntaxError',
         message: 'Attempting to close HtmlElement',
-        absolutePath: '/path/to/file',
+        uri: 'file:///path/to/file',
         severity: Severity.ERROR,
         start: {index: 0, line: 1, character: 0},
         end: {index: 10, line: 1, character: 10},
@@ -349,7 +349,7 @@ describe('handleExit', () => {
         type: SourceCodeType.LiquidHtml,
         check: 'LiquidHTMLSyntaxError',
         message: 'Attempting to close HtmlElement',
-        absolutePath: '/path/to/file',
+        uri: 'file:///path/to/file',
         severity: Severity.ERROR,
         start: {index: 0, line: 1, character: 0},
         end: {index: 10, line: 1, character: 10},
@@ -365,7 +365,7 @@ describe('handleExit', () => {
         type: SourceCodeType.LiquidHtml,
         check: 'LiquidHTMLSyntaxError',
         message: 'Attempting to close HtmlElement',
-        absolutePath: '/path/to/file',
+        uri: 'file:///path/to/file',
         severity: Severity.INFO,
         start: {index: 0, line: 1, character: 0},
         end: {index: 10, line: 1, character: 10},
diff --git a/packages/theme/src/cli/services/check.ts b/packages/theme/src/cli/services/check.ts
index 77ef72a9031..e86722f9940 100644
--- a/packages/theme/src/cli/services/check.ts
+++ b/packages/theme/src/cli/services/check.ts
@@ -11,6 +11,7 @@ import {
   type FixApplicator,
   type Offense,
   type Theme,
+  path as pathUtils,
 } from '@shopify/theme-check-node'
 import YAML from 'yaml'
 
@@ -37,7 +38,9 @@ interface TransformedOffenseMap {
 }
 
 type SeverityCounts = Partial<{
-  [K in keyof typeof Severity]: number
+  [Severity.ERROR]: number
+  [Severity.WARNING]: number
+  [Severity.INFO]: number
 }>
 
 export type FailLevel = 'error' | 'suggestion' | 'style' | 'warning' | 'info' | 'crash'
@@ -71,8 +74,9 @@ function severityToLabel(severity: Severity) {
 /**
  * Returns a code snippet from a file. All line numbers given MUST be zero indexed
  */
-function getSnippet(absolutePath: string, startLine: number, endLine: number) {
-  const fileContent = readFileSync(absolutePath).toString()
+function getSnippet(uri: string, startLine: number, endLine: number) {
+  const fsPath = pathUtils.fsPath(uri)
+  const fileContent = readFileSync(fsPath).toString()
   const lines = fileContent.split('\n')
   const snippetLines = lines.slice(startLine, endLine + 1)
   const isSingleLine = snippetLines.length === 1
@@ -110,9 +114,9 @@ function severityToToken(severity: Severity) {
  */
 export function formatOffenses(offenses: Offense[]) {
   const offenseBodies = offenses.map((offense, index) => {
-    const {message, absolutePath, start, end, check, severity} = offense
+    const {message, uri, start, end, check, severity} = offense
     // Theme check line numbers are zero indexed, but intuitively 1-indexed
-    const codeSnippet = getSnippet(absolutePath, start.line, end.line)
+    const codeSnippet = getSnippet(uri, start.line, end.line)
 
     // Ensure enough padding between offenses
     const offensePadding = index === offenses.length - 1 ? '' : '\n\n'
@@ -132,12 +136,13 @@ const offenseSeverityAscending = (offenseA: Offense, offenseB: Offense) => offen
 export function sortOffenses(offenses: Offense[]): OffenseMap {
   // Bucket offenses by filename
   const offensesByFile = offenses.reduce((acc: OffenseMap, offense: Offense) => {
-    const {absolutePath} = offense
-    if (!acc[absolutePath]) {
-      acc[absolutePath] = []
+    const {uri} = offense
+    const filePath = pathUtils.fsPath(uri)
+    if (!acc[filePath]) {
+      acc[filePath] = []
     }
 
-    acc[absolutePath]!.push(offense)
+    acc[filePath]!.push(offense)
     return acc
   }, {})
 
@@ -222,9 +227,9 @@ export function formatOffensesJson(offensesByFile: OffenseMap): TransformedOffen
     return {
       path,
       offenses: transformedOffenses,
-      errorCount: counts[Severity.ERROR] || 0,
-      warningCount: counts[Severity.WARNING] || 0,
-      infoCount: counts[Severity.INFO] || 0,
+      errorCount: counts[Severity.ERROR] ?? 0,
+      warningCount: counts[Severity.WARNING] ?? 0,
+      infoCount: counts[Severity.INFO] ?? 0,
     }
   })
 }
@@ -274,7 +279,8 @@ export async function initConfig(root: string) {
 
 const saveToDiskFixApplicator: FixApplicator = async (sourceCode, fix) => {
   const updatedSource = applyFixToString(sourceCode.source, fix)
-  await writeFile(sourceCode.absolutePath, updatedSource)
+  const absolutePath = pathUtils.fsPath(sourceCode.uri)
+  await writeFile(absolutePath, updatedSource)
 }
 
 export async function performAutoFixes(sourceCodes: Theme, offenses: Offense[]) {
@@ -282,7 +288,7 @@ export async function performAutoFixes(sourceCodes: Theme, offenses: Offense[])
 }
 
 export async function outputActiveConfig(themeRoot: string, configPath?: string) {
-  const {ignore, settings, root} = await loadConfig(configPath, themeRoot)
+  const {ignore, settings, rootUri} = await loadConfig(configPath, themeRoot)
 
   const config = {
     // loadConfig flattens all configs, it doesn't extend anything
@@ -292,7 +298,7 @@ export async function outputActiveConfig(themeRoot: string, configPath?: string)
     // duplicate patterns to ignore. We can clean them before outputting.
     ignore: [...new Set(ignore)],
 
-    root,
+    rootUri,
 
     // Dump out the active settings for all checks.
     ...settings,
@@ -314,7 +320,7 @@ export async function outputActiveChecks(root: string, configPath?: string) {
       return acc
     }
 
-    const severityLabel = severityToLabel(severity === undefined ? Severity.INFO : severity)
+    const severityLabel = severityToLabel(severity ?? Severity.INFO)
 
     // Map metafields from the check into desired output format
     const meta = checks.find((check) => check.meta.code === checkCode)
diff --git a/pnpm-lock.yaml b/pnpm-lock.yaml
index 5fc56655be9..38ab123bb5b 100644
--- a/pnpm-lock.yaml
+++ b/pnpm-lock.yaml
@@ -171,8 +171,8 @@ importers:
         specifier: 3.70.0
         version: link:../theme
       '@shopify/theme-check-node':
-        specifier: 2.9.2
-        version: 2.9.2
+        specifier: 3.2.2
+        version: 3.2.2
       body-parser:
         specifier: 1.20.2
         version: 1.20.2
@@ -700,11 +700,11 @@ importers:
         specifier: 3.70.0
         version: link:../cli-kit
       '@shopify/theme-check-node':
-        specifier: 2.9.2
-        version: 2.9.2
+        specifier: 3.2.2
+        version: 3.2.2
       '@shopify/theme-language-server-node':
-        specifier: 1.14.0
-        version: 1.14.0
+        specifier: 2.2.2
+        version: 2.2.2
       chokidar:
         specifier: 3.5.3
         version: 3.5.3
@@ -6156,8 +6156,8 @@ packages:
     engines: {node: '>=12.14.0'}
     dev: false
 
-  /@shopify/liquid-html-parser@2.0.5:
-    resolution: {integrity: sha512-MYp/fe3jSjzmRu6HlbaG/1IJpdB39iShdvnc5biDPjlBhLr0PH/2rHXVdthlAcYDhJvd7DTd7TV0kl3erpUNGg==}
+  /@shopify/liquid-html-parser@2.1.1:
+    resolution: {integrity: sha512-5shGZTB7tK28MzawqBb82n6fbn+77U6al5UrOcUruBUj3GNqHJWjzZVPtXq4fQHrFpXFu6l11x+z+ggdUHT0Ng==}
     dependencies:
       line-column: 1.0.2
       ohm-js: 16.6.0
@@ -6275,10 +6275,10 @@ packages:
       react-reconciler: 0.26.2(react@17.0.2)
     dev: true
 
-  /@shopify/theme-check-common@2.9.2:
-    resolution: {integrity: sha512-GXlRRNFXKQdYTgLrA3eAamlpDtZVAYr12UeXyiHxmkk0mmoozkpbtw30yX67FgGVdplM0YSAa7MQ7yHeznPfig==}
+  /@shopify/theme-check-common@3.2.2:
+    resolution: {integrity: sha512-rEbZ2kDzpOY+D7FUFi7VWQforLB99WJg8rCcJlzaJIAV4hkQpkjPPjzzXitg3JByVKzfLxocmIlysAVbmort1A==}
     dependencies:
-      '@shopify/liquid-html-parser': 2.0.5
+      '@shopify/liquid-html-parser': 2.1.1
       cross-fetch: 4.0.0
       json-to-ast: 2.1.0
       jsonc-parser: 3.2.1
@@ -6286,37 +6286,39 @@ packages:
       lodash-es: 4.17.21
       minimatch: 9.0.3
       vscode-json-languageservice: 5.3.11
+      vscode-uri: 3.0.8
     transitivePeerDependencies:
       - encoding
     dev: false
 
-  /@shopify/theme-check-docs-updater@2.9.2:
-    resolution: {integrity: sha512-ZGewVePcYvyeOSAwQOf/K/gYsLENfK0guQB3DZ809btslw0FGQtFL5lhyawcof4UEOkPSl2O/swvA72DPbDYlg==}
+  /@shopify/theme-check-docs-updater@3.2.2:
+    resolution: {integrity: sha512-NXNviVnkGVEf0roDMvZptMODG97x/HiPDlWtHb4v4oyxIvg23jo1rcu8b3u9GnLmxTzWJWcW3tXJhQDqfTeErA==}
     hasBin: true
     dependencies:
-      '@shopify/theme-check-common': 2.9.2
+      '@shopify/theme-check-common': 3.2.2
       env-paths: 2.2.1
       node-fetch: 2.7.0
     transitivePeerDependencies:
       - encoding
     dev: false
 
-  /@shopify/theme-check-node@2.9.2:
-    resolution: {integrity: sha512-mS0gtSsjF9LxavruE3V4eNFLU26kcAuvNPExvFI7oxOpuHDRHOPqaeR74zcgmBBoQwz4XqoI4ZyhBPF6k3Oesw==}
+  /@shopify/theme-check-node@3.2.2:
+    resolution: {integrity: sha512-X1mzKbNq0YlxRKsEKz/3MmS4CyHkiPNdCVXe/TzqwJlzumMQYtYxd+xMYT8n5nTG2Reuv/UhVXWbqhtNPbwBOw==}
     dependencies:
-      '@shopify/theme-check-common': 2.9.2
-      '@shopify/theme-check-docs-updater': 2.9.2
+      '@shopify/theme-check-common': 3.2.2
+      '@shopify/theme-check-docs-updater': 3.2.2
       glob: 8.1.0
+      vscode-uri: 3.0.8
       yaml: 2.3.2
     transitivePeerDependencies:
       - encoding
     dev: false
 
-  /@shopify/theme-language-server-common@1.14.0:
-    resolution: {integrity: sha512-7wC0Vh+mGIiHxK/eQ0Lef0QslNKXXvEMLh19UMAO/iMdE6m6nXwcyhUuEgEtxI3pcaEC+oeGiyEjrKT64vfQBA==}
+  /@shopify/theme-language-server-common@2.2.2:
+    resolution: {integrity: sha512-PPn6wfDnbvT++SGtET8DTb88kQWvkb9XKJ1t/b4r9cI0SOPtM+g2vcB336OdmddYeDfXCTnYwuEnBKfltEPTaQ==}
     dependencies:
-      '@shopify/liquid-html-parser': 2.0.5
-      '@shopify/theme-check-common': 2.9.2
+      '@shopify/liquid-html-parser': 2.1.1
+      '@shopify/theme-check-common': 3.2.2
       '@vscode/web-custom-data': 0.4.9
       vscode-json-languageservice: 5.3.11
       vscode-languageserver: 8.1.0
@@ -6326,12 +6328,12 @@ packages:
       - encoding
     dev: false
 
-  /@shopify/theme-language-server-node@1.14.0:
-    resolution: {integrity: sha512-V7XGrdMyoo5KuZekK+1z9/pPcWjj/Pj1sGAObscm5OqeDGJAxPORunBOhfUFntH149wNVyEhcu3GpLmDMgf2Ow==}
+  /@shopify/theme-language-server-node@2.2.2:
+    resolution: {integrity: sha512-e3QrLn0GIxQiBAI9g7/UKr56IZO8g1+kSHk2Mq3EIhW2Tcn6YXSMIDrw6jkL0MXtcCng6hHgOSgAdqD4roa7Zw==}
     dependencies:
-      '@shopify/theme-check-docs-updater': 2.9.2
-      '@shopify/theme-check-node': 2.9.2
-      '@shopify/theme-language-server-common': 1.14.0
+      '@shopify/theme-check-docs-updater': 3.2.2
+      '@shopify/theme-check-node': 3.2.2
+      '@shopify/theme-language-server-common': 2.2.2
       glob: 8.1.0
       node-fetch: 2.7.0
       vscode-languageserver: 8.1.0