diff --git a/system-apps/guestbook/guestbook-ui-namespace.yaml b/system-apps/guestbook/guestbook-ui-namespace.yaml
new file mode 100644
index 0000000..e25238f
--- /dev/null
+++ b/system-apps/guestbook/guestbook-ui-namespace.yaml
@@ -0,0 +1,4 @@
+apiVersion: v1
+kind: Namespace
+metadata:
+  name:  guestbook-ui
\ No newline at end of file