diff --git a/templates/init/storage/storage.rules b/templates/init/storage/storage.rules
index d494542e9b2..4eda34fdf9b 100644
--- a/templates/init/storage/storage.rules
+++ b/templates/init/storage/storage.rules
@@ -1,3 +1,4 @@
+rules_version = '2';
 service firebase.storage {
   match /b/{bucket}/o {
     match /{allPaths=**} {