diff --git a/packages/remix/src/generators/application/__snapshots__/application.impl.spec.ts.snap b/packages/remix/src/generators/application/__snapshots__/application.impl.spec.ts.snap
index 03ac40a598..9c79e5d0fb 100644
--- a/packages/remix/src/generators/application/__snapshots__/application.impl.spec.ts.snap
+++ b/packages/remix/src/generators/application/__snapshots__/application.impl.spec.ts.snap
@@ -405,6 +405,39 @@ installGlobals();
 "
 `;
 
+exports[`Remix Application Integrated Repo --projectNameAndRootFormat=as-provided --unitTestRunner should generate the correct files for testing using vitest 4`] = `
+"{
+  "extends": "./tsconfig.json",
+  "compilerOptions": {
+    "outDir": "../dist/out-tsc",
+    "types": [
+      "vitest/globals",
+      "vitest/importMeta",
+      "vite/client",
+      "node",
+      "vitest"
+    ]
+  },
+  "include": [
+    "vite.config.ts",
+    "vitest.config.ts",
+    "app/**/*.ts",
+    "app/**/*.tsx",
+    "app/**/*.js",
+    "app/**/*.jsx",
+    "tests/**/*.spec.ts",
+    "tests/**/*.test.ts",
+    "tests/**/*.spec.tsx",
+    "tests/**/*.test.tsx",
+    "tests/**/*.spec.js",
+    "tests/**/*.test.js",
+    "tests/**/*.spec.jsx",
+    "tests/**/*.test.jsx"
+  ]
+}
+"
+`;
+
 exports[`Remix Application Integrated Repo --projectNameAndRootFormat=as-provided should create the application correctly 1`] = `
 "import { createWatchPaths } from '@nx/remix';
 import { dirname } from 'path';
@@ -882,6 +915,39 @@ installGlobals();
 "
 `;
 
+exports[`Remix Application Integrated Repo --projectNameAndRootFormat=derived --unitTestRunner should generate the correct files for testing using vitest 4`] = `
+"{
+  "extends": "./tsconfig.json",
+  "compilerOptions": {
+    "outDir": "../../dist/out-tsc",
+    "types": [
+      "vitest/globals",
+      "vitest/importMeta",
+      "vite/client",
+      "node",
+      "vitest"
+    ]
+  },
+  "include": [
+    "vite.config.ts",
+    "vitest.config.ts",
+    "app/**/*.ts",
+    "app/**/*.tsx",
+    "app/**/*.js",
+    "app/**/*.jsx",
+    "tests/**/*.spec.ts",
+    "tests/**/*.test.ts",
+    "tests/**/*.spec.tsx",
+    "tests/**/*.test.tsx",
+    "tests/**/*.spec.js",
+    "tests/**/*.test.js",
+    "tests/**/*.spec.jsx",
+    "tests/**/*.test.jsx"
+  ]
+}
+"
+`;
+
 exports[`Remix Application Integrated Repo --projectNameAndRootFormat=derived should create the application correctly 1`] = `
 "import { createWatchPaths } from '@nx/remix';
 import { dirname } from 'path';
@@ -1181,6 +1247,39 @@ test('renders loader data', async () => {
 `;
 
 exports[`Remix Application Standalone Project Repo --unitTestRunner should generate the correct files for testing using vitest 4`] = `
+"{
+  "extends": "./tsconfig.json",
+  "compilerOptions": {
+    "outDir": "./dist/out-tsc",
+    "types": [
+      "vitest/globals",
+      "vitest/importMeta",
+      "vite/client",
+      "node",
+      "vitest"
+    ]
+  },
+  "include": [
+    "vite.config.ts",
+    "vitest.config.ts",
+    "app/**/*.ts",
+    "app/**/*.tsx",
+    "app/**/*.js",
+    "app/**/*.jsx",
+    "tests/**/*.spec.ts",
+    "tests/**/*.test.ts",
+    "tests/**/*.spec.tsx",
+    "tests/**/*.test.tsx",
+    "tests/**/*.spec.js",
+    "tests/**/*.test.js",
+    "tests/**/*.spec.jsx",
+    "tests/**/*.test.jsx"
+  ]
+}
+"
+`;
+
+exports[`Remix Application Standalone Project Repo --unitTestRunner should generate the correct files for testing using vitest 5`] = `
 "import { installGlobals } from '@remix-run/node';
 import '@testing-library/jest-dom/matchers';
 installGlobals();
diff --git a/packages/remix/src/generators/application/application.impl.spec.ts b/packages/remix/src/generators/application/application.impl.spec.ts
index 6346c60a80..2fd13383e4 100644
--- a/packages/remix/src/generators/application/application.impl.spec.ts
+++ b/packages/remix/src/generators/application/application.impl.spec.ts
@@ -74,6 +74,7 @@ describe('Remix Application', () => {
         expect(
           tree.read('tests/routes/_index.spec.tsx', 'utf-8')
         ).toMatchSnapshot();
+        expect(tree.read('tsconfig.spec.json', 'utf-8')).toMatchSnapshot();
         expect(tree.read('test-setup.ts', 'utf-8')).toMatchSnapshot();
       });
 
@@ -282,6 +283,9 @@ describe('Remix Application', () => {
           expect(
             tree.read(`${appDir}/test-setup.ts`, 'utf-8')
           ).toMatchSnapshot();
+          expect(
+            tree.read(`${appDir}/tsconfig.spec.json`, 'utf-8')
+          ).toMatchSnapshot();
         });
 
         it('should generate the correct files for testing using jest', async () => {
diff --git a/packages/remix/src/generators/application/lib/update-unit-test-config.ts b/packages/remix/src/generators/application/lib/update-unit-test-config.ts
index 3af2a85a41..478c3b9414 100644
--- a/packages/remix/src/generators/application/lib/update-unit-test-config.ts
+++ b/packages/remix/src/generators/application/lib/update-unit-test-config.ts
@@ -64,7 +64,7 @@ export function updateUnitTestConfig(
   );
 
   updateJson(tree, pathToTsConfigSpec, (json) => {
-    json.includes = [
+    json.include = [
       'vite.config.ts',
       'vitest.config.ts',
       'app/**/*.ts',