diff --git a/packages/core/strict-check.json b/packages/core/strict-check.json
index 1d47a934c81..b6a29b5cea6 100644
--- a/packages/core/strict-check.json
+++ b/packages/core/strict-check.json
@@ -1,7 +1,11 @@
 {
+  "extends": "./tsconfig.lib.json",
   "compilerOptions": {
     "noEmit": true,
     "strict": true,
+    "strictNullChecks": true,
+    "strictPropertyInitialization": true,
+    "noImplicitAny": true,
     "baseUrl": ".",
     "pretty": false,
     "skipLibCheck": true