diff --git a/eslint.config.js b/eslint.config.js
index b204b29c7..275c4d87d 100644
--- a/eslint.config.js
+++ b/eslint.config.js
@@ -31,4 +31,10 @@ export default [
       "no-useless-escape": "off",
     },
   },
+  {
+    rules: {
+      // Enable rules
+      eqeqeq: "error",
+    },
+  },
 ];
diff --git a/tsconfig.json b/tsconfig.json
index e3fa49e53..453dd22a5 100644
--- a/tsconfig.json
+++ b/tsconfig.json
@@ -19,7 +19,7 @@
     "esModuleInterop": true,
     "experimentalDecorators": true,
     "resolveJsonModule": true,
-    // "strictNullChecks": true,
+    "strictNullChecks": true,
     "useDefineForClassFields": false
   },
   "include": [