diff --git a/docs/app/@core/data/data.module.ts b/docs/app/@core/data/data.module.ts
index 9e10e844..6d6f8b85 100644
--- a/docs/app/@core/data/data.module.ts
+++ b/docs/app/@core/data/data.module.ts
@@ -28,8 +28,8 @@ const SERVICES = [
   ],
 })
 export class DataModule {
-  static forRoot(): ModuleWithProviders {
-    return <ModuleWithProviders>{
+  static forRoot(): ModuleWithProviders<DataModule> {
+    return {
       ngModule: DataModule,
       providers: [
         ...SERVICES,
diff --git a/docs/tsconfig.app.json b/docs/tsconfig.app.json
index fb506e7e..3860a51f 100644
--- a/docs/tsconfig.app.json
+++ b/docs/tsconfig.app.json
@@ -1,5 +1,5 @@
 {
-  "extends": "../tsconfig.json",
+  "extends": "../tsconfig.base.json",
   "compilerOptions": {
     "outDir": "../out-tsc/app",
     "baseUrl": "."