diff --git a/examples/with-berry/packages/tsconfig/nextjs.json b/examples/with-berry/packages/tsconfig/nextjs.json
index d20a489132dd7..408c0e7b86c21 100644
--- a/examples/with-berry/packages/tsconfig/nextjs.json
+++ b/examples/with-berry/packages/tsconfig/nextjs.json
@@ -14,7 +14,7 @@
     "moduleResolution": "Bundler",
     "noEmit": true,
     "resolveJsonModule": true,
-    "strict": false,
+    "strict": true,
     "target": "es5"
   },
   "include": ["src", "next-env.d.ts"],
diff --git a/examples/with-prisma/packages/config-typescript/nextjs.json b/examples/with-prisma/packages/config-typescript/nextjs.json
index 2e10e6debde87..248ae1e45b5a0 100644
--- a/examples/with-prisma/packages/config-typescript/nextjs.json
+++ b/examples/with-prisma/packages/config-typescript/nextjs.json
@@ -8,7 +8,7 @@
     "lib": ["dom", "dom.iterable", "esnext"],
     "allowJs": true,
     "skipLibCheck": true,
-    "strict": false,
+    "strict": true,
     "forceConsistentCasingInFileNames": true,
     "noEmit": true,
     "incremental": true,
diff --git a/examples/with-react-native-web/packages/typescript-config/nextjs.json b/examples/with-react-native-web/packages/typescript-config/nextjs.json
index e45500d72696f..f352040e91393 100644
--- a/examples/with-react-native-web/packages/typescript-config/nextjs.json
+++ b/examples/with-react-native-web/packages/typescript-config/nextjs.json
@@ -12,7 +12,7 @@
     "module": "esnext",
     "noEmit": true,
     "resolveJsonModule": true,
-    "strict": false,
+    "strict": true,
     "target": "es5"
   },
   "include": ["src", "next-env.d.ts"],
diff --git a/examples/with-rollup/packages/config-typescript/nextjs.json b/examples/with-rollup/packages/config-typescript/nextjs.json
index d5010a1bbca39..e388530a6afe4 100644
--- a/examples/with-rollup/packages/config-typescript/nextjs.json
+++ b/examples/with-rollup/packages/config-typescript/nextjs.json
@@ -13,7 +13,7 @@
     "module": "esnext",
     "noEmit": true,
     "resolveJsonModule": true,
-    "strict": false,
+    "strict": true,
     "target": "es5"
   },
   "include": ["src", "next-env.d.ts"],
diff --git a/examples/with-tailwind/packages/config-typescript/nextjs.json b/examples/with-tailwind/packages/config-typescript/nextjs.json
index 84e51696c78bd..75496fec640c9 100644
--- a/examples/with-tailwind/packages/config-typescript/nextjs.json
+++ b/examples/with-tailwind/packages/config-typescript/nextjs.json
@@ -12,7 +12,7 @@
     "lib": ["dom", "dom.iterable", "esnext"],
     "module": "esnext",
     "resolveJsonModule": true,
-    "strict": false,
+    "strict": true,
     "target": "es5"
   },
   "include": ["src", "next-env.d.ts"],