diff --git a/packages/react-scripts/template/tsconfig.json b/packages/react-scripts/template/tsconfig.json
index 859735414..fc7d756ec 100644
--- a/packages/react-scripts/template/tsconfig.json
+++ b/packages/react-scripts/template/tsconfig.json
@@ -17,6 +17,9 @@
     "suppressImplicitAnyIndexErrors": true,
     "noUnusedLocals": true
   },
+  "include": [
+    "src/**/*"
+  ],
   "exclude": [
     "node_modules",
     "build",