diff --git a/firestore.rules b/firestore.rules
index 6b4d87d..5a233b0 100644
--- a/firestore.rules
+++ b/firestore.rules
@@ -1,8 +1,9 @@
+rules_version = '2';
 service cloud.firestore {
   match /databases/{database}/documents {
     // Allow only authenticated content owners access
     match /users/{userId}/{documents=**} {
-      allow read, write: if request.auth != null && request.auth.uid == userId
+      allow read, write: if request.auth != null && request.auth.uid == userId;
     }
   }
 }