diff --git a/package-lock.json b/package-lock.json
index 13d274817..3f57c23e6 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -29,10 +29,10 @@
         "jiti": "2.6.1",
         "prettier": "3.8.1",
         "release-it": "19.2.4",
-        "tsx": "^4.21.0",
+        "tsx": "4.21.0",
         "typescript": "5.9.3",
         "typescript-eslint": "8.56.1",
-        "vitest": "^4.0.18"
+        "vitest": "4.0.18"
       },
       "peerDependencies": {
         "typescript": ">=5.9.3"
diff --git a/src/lib/library/library.factory.test.ts b/src/lib/library/library.factory.test.ts
index 1aa0d6779..7043e6475 100644
--- a/src/lib/library/library.factory.test.ts
+++ b/src/lib/library/library.factory.test.ts
@@ -154,7 +154,7 @@ describe('Library Factory', () => {
     tree = await runner.runSchematic('library', options, tree);
 
     const tsconfig = tree.readJson('/tsconfig.json');
-    expect(tsconfig['compilerOptions']['baseUrl']).toBeUndefined();
+    expect(tsconfig['compilerOptions']['baseUrl']).toEqual('./');
     expect(tsconfig['compilerOptions']['paths']['app/project']).toEqual([
       './libs/project/src',
     ]);
@@ -186,7 +186,7 @@ describe('Library Factory', () => {
     );
 
     const tsconfig = tree.readJson('/tsconfig.json');
-    expect(tsconfig['compilerOptions']['baseUrl']).toBeUndefined();
+    expect(tsconfig['compilerOptions']['baseUrl']).toEqual('./');
     expect(tsconfig['compilerOptions']['paths']['app/my-lib']).toEqual([
       './libs/my-lib/src',
     ]);
diff --git a/src/lib/library/library.factory.ts b/src/lib/library/library.factory.ts
index e8c5ca637..e0438dedc 100644
--- a/src/lib/library/library.factory.ts
+++ b/src/lib/library/library.factory.ts
@@ -240,7 +240,7 @@ function updateTsConfig(
         if (!tsconfig.compilerOptions) {
           tsconfig.compilerOptions = {} as any;
         }
-        delete tsconfig.compilerOptions.baseUrl;
+        tsconfig.compilerOptions.baseUrl = './';
         if (!tsconfig.compilerOptions.paths) {
           tsconfig.compilerOptions.paths = {};
         }