diff --git a/.oxlintrc.json b/.oxlintrc.json
index 20b4e8b..4074353 100644
--- a/.oxlintrc.json
+++ b/.oxlintrc.json
@@ -8,6 +8,7 @@
   "rules": {
     "import/no-cycle": "error",
     "typescript/no-explicit-any": "error",
-    "typescript/no-misused-promises": "error"
+    "typescript/no-misused-promises": "error",
+    "typescript/no-non-null-assertion": "error"
   }
 }
diff --git a/tsconfig.json b/tsconfig.json
index f0c97ee..16720f6 100644
--- a/tsconfig.json
+++ b/tsconfig.json
@@ -21,6 +21,7 @@
     "noFallthroughCasesInSwitch": true,
     "noUncheckedIndexedAccess": true,
     "noImplicitOverride": true,
+    "exactOptionalPropertyTypes": true,
 
     // Some stricter flags (disabled by default)
     "noUnusedLocals": false,