diff --git a/tsconfig.json b/tsconfig.json
index c925859f0..03bcdca01 100644
--- a/tsconfig.json
+++ b/tsconfig.json
@@ -14,6 +14,7 @@
       "./types",
       "./node_modules/@types"
     ],
-    "strict": false
+    "strict": true,
+    "strictPropertyInitialization": false
   }
 }