diff --git a/sync-options/selective-sync/deployment.yaml b/sync-options/selective-sync/deployment.yaml
index 446900062e..2cac5151a7 100644
--- a/sync-options/selective-sync/deployment.yaml
+++ b/sync-options/selective-sync/deployment.yaml
@@ -3,7 +3,7 @@ kind: Deployment
 metadata:
   name: guestbook-ui
 spec:
-  replicas: 3
+  replicas: 4
   revisionHistoryLimit: 3
   selector:
     matchLabels: