diff --git a/tsconfig.json b/tsconfig.json
index 277f285..195d86b 100644
--- a/tsconfig.json
+++ b/tsconfig.json
@@ -16,6 +16,7 @@
     "moduleResolution": "node",
     "resolveJsonModule": true,
     "isolatedModules": true,
+    "strictNullChecks": true,
     "noEmit": true,
     "jsx": "react"
   },