diff --git a/modules/openstack_project/files/gerrit/acls/stackforge/murano.config b/modules/openstack_project/files/gerrit/acls/stackforge/murano.config
index 39505b4a58..c50cc98411 100644
--- a/modules/openstack_project/files/gerrit/acls/stackforge/murano.config
+++ b/modules/openstack_project/files/gerrit/acls/stackforge/murano.config
@@ -14,6 +14,8 @@
 [access "refs/heads/release-*"]
         label-Code-Review = -2..+2 group murano-milestone
         label-Approved = +0..+1 group murano-milestone
+        exclusiveGroupPermissions = label-Code-Review label-Approved
+        label-Code-Review = -1..+1 group Registered Users
 [access "refs/heads/*"]
         label-Code-Review = -2..+2 group murano-core
         label-Approved = +0..+1 group murano-core