diff --git a/packages/angular/src/generators/application/__snapshots__/application.spec.ts.snap b/packages/angular/src/generators/application/__snapshots__/application.spec.ts.snap
index 32cec32a23d0f..0c02b4b50432d 100644
--- a/packages/angular/src/generators/application/__snapshots__/application.spec.ts.snap
+++ b/packages/angular/src/generators/application/__snapshots__/application.spec.ts.snap
@@ -442,7 +442,9 @@ exports[`app --unit-test-runner vitest should add tsconfig.spec.json 1`] = `
   },
   "include": [
     "vite.config.ts",
+    "vite.config.mts",
     "vitest.config.ts",
+    "vitest.config.mts",
     "src/**/*.test.ts",
     "src/**/*.spec.ts",
     "src/**/*.test.tsx",
diff --git a/packages/nuxt/src/generators/application/__snapshots__/application.spec.ts.snap b/packages/nuxt/src/generators/application/__snapshots__/application.spec.ts.snap
index 7b5070c264ac4..791cf976946da 100644
--- a/packages/nuxt/src/generators/application/__snapshots__/application.spec.ts.snap
+++ b/packages/nuxt/src/generators/application/__snapshots__/application.spec.ts.snap
@@ -168,7 +168,9 @@ exports[`app generated files content - as-provided - my-app general application
   "include": [
     ".nuxt/nuxt.d.ts",
     "vite.config.ts",
+    "vite.config.mts",
     "vitest.config.ts",
+    "vitest.config.mts",
     "src/**/*.test.ts",
     "src/**/*.spec.ts",
     "src/**/*.test.tsx",
@@ -531,7 +533,9 @@ exports[`app generated files content - as-provided - myApp general application s
   "include": [
     ".nuxt/nuxt.d.ts",
     "vite.config.ts",
+    "vite.config.mts",
     "vitest.config.ts",
+    "vitest.config.mts",
     "src/**/*.test.ts",
     "src/**/*.spec.ts",
     "src/**/*.test.tsx",
diff --git a/packages/vite/src/generators/configuration/__snapshots__/configuration.spec.ts.snap b/packages/vite/src/generators/configuration/__snapshots__/configuration.spec.ts.snap
index 1b07895e18297..d60f1c263f45a 100644
--- a/packages/vite/src/generators/configuration/__snapshots__/configuration.spec.ts.snap
+++ b/packages/vite/src/generators/configuration/__snapshots__/configuration.spec.ts.snap
@@ -87,7 +87,9 @@ exports[`@nx/vite:configuration js library with --bundler=vite should add build
   "include": ["src/**/*.ts"],
   "exclude": [
     "vite.config.ts",
+    "vite.config.mts",
     "vitest.config.ts",
+    "vitest.config.mts",
     "src/**/*.test.ts",
     "src/**/*.spec.ts",
     "src/**/*.test.tsx",
diff --git a/packages/vite/src/generators/vitest/__snapshots__/vitest.spec.ts.snap b/packages/vite/src/generators/vitest/__snapshots__/vitest.spec.ts.snap
index c3059ffe494c1..1e0ba890098d9 100644
--- a/packages/vite/src/generators/vitest/__snapshots__/vitest.spec.ts.snap
+++ b/packages/vite/src/generators/vitest/__snapshots__/vitest.spec.ts.snap
@@ -35,7 +35,7 @@ export default defineConfig({
 `;
 
 exports[`vitest generator tsconfig should add vitest.workspace.ts at the root 1`] = `
-"export default ['**/*/vite.config.ts', '**/*/vitest.config.ts'];
+"export default ['**/*/vite.config.{ts,mts}', '**/*/vitest.config.{ts,mts}'];
 "
 `;
 
diff --git a/packages/vite/src/generators/vitest/files/tsconfig.spec.json__tmpl__ b/packages/vite/src/generators/vitest/files/tsconfig.spec.json__tmpl__
index 0f177b57ab70b..def52c91f19f0 100644
--- a/packages/vite/src/generators/vitest/files/tsconfig.spec.json__tmpl__
+++ b/packages/vite/src/generators/vitest/files/tsconfig.spec.json__tmpl__
@@ -6,7 +6,9 @@
   },
   "include": [
     "vite.config.ts",
+    "vite.config.mts",
     "vitest.config.ts",
+    "vitest.config.mts",
     "src/**/*.test.ts",
     "src/**/*.spec.ts",
     "src/**/*.test.tsx",
diff --git a/packages/vite/src/generators/vitest/vitest-generator.ts b/packages/vite/src/generators/vitest/vitest-generator.ts
index f6b7b2f2d026a..771aa08fd60fb 100644
--- a/packages/vite/src/generators/vitest/vitest-generator.ts
+++ b/packages/vite/src/generators/vitest/vitest-generator.ts
@@ -138,7 +138,7 @@ export async function vitestGeneratorInternal(
   ) {
     tree.write(
       'vitest.workspace.ts',
-      `export default ['**/*/vite.config.ts', '**/*/vitest.config.ts'];`
+      `export default ['**/*/vite.config.{ts,mts}', '**/*/vitest.config.{ts,mts}'];`
     );
   }
 
@@ -236,7 +236,9 @@ function updateTsConfig(
         const uniqueExclude = new Set([
           ...(json.exclude || []),
           'vite.config.ts',
+          'vite.config.mts',
           'vitest.config.ts',
+          'vitest.config.mts',
           'src/**/*.test.ts',
           'src/**/*.spec.ts',
           'src/**/*.test.tsx',
diff --git a/packages/vite/src/generators/vitest/vitest.spec.ts b/packages/vite/src/generators/vitest/vitest.spec.ts
index 01e0ada232945..30161e3517a7e 100644
--- a/packages/vite/src/generators/vitest/vitest.spec.ts
+++ b/packages/vite/src/generators/vitest/vitest.spec.ts
@@ -64,7 +64,9 @@ describe('vitest generator', () => {
           "extends": "./tsconfig.json",
           "include": [
             "vite.config.ts",
+            "vite.config.mts",
             "vitest.config.ts",
+            "vitest.config.mts",
             "src/**/*.test.ts",
             "src/**/*.spec.ts",
             "src/**/*.test.tsx",
diff --git a/packages/vue/src/generators/library/__snapshots__/library.spec.ts.snap b/packages/vue/src/generators/library/__snapshots__/library.spec.ts.snap
index 3f3e8176a12b5..e5b5c73389b1e 100644
--- a/packages/vue/src/generators/library/__snapshots__/library.spec.ts.snap
+++ b/packages/vue/src/generators/library/__snapshots__/library.spec.ts.snap
@@ -205,7 +205,9 @@ exports[`library should add vue, vite and vitest to package.json 2`] = `
     "src/**/*.spec.vue",
     "src/**/*.test.vue",
     "vite.config.ts",
+    "vite.config.mts",
     "vitest.config.ts",
+    "vitest.config.mts",
     "src/**/*.test.ts",
     "src/**/*.spec.ts",
     "src/**/*.test.tsx",
@@ -261,7 +263,9 @@ exports[`library should ignore test files in tsconfig.lib.json 1`] = `
   "src/**/*.spec.vue",
   "src/**/*.test.vue",
   "vite.config.ts",
+  "vite.config.mts",
   "vitest.config.ts",
+  "vitest.config.mts",
   "src/**/*.test.ts",
   "src/**/*.spec.ts",
   "src/**/*.test.tsx",