diff --git a/tsconfig.core.json b/tsconfig.core.json
index a81e536..fd4b0a4 100644
--- a/tsconfig.core.json
+++ b/tsconfig.core.json
@@ -4,6 +4,7 @@
     "types": ["bun-types"],
     "lib": ["esnext"],
     "strict": false,
+    "strictNullChecks": true,
     "noImplicitAny": true,
     "exactOptionalPropertyTypes": true,
     "noUncheckedIndexedAccess": false,