diff --git a/apps/nginx-mcp/namespace.yaml b/apps/nginx-mcp/namespace.yaml
index 9ed5ca5..d9722ae 100644
--- a/apps/nginx-mcp/namespace.yaml
+++ b/apps/nginx-mcp/namespace.yaml
@@ -4,3 +4,4 @@ metadata:
   name: nginx-mcp
   labels:
     track: stable
+    managed-by: argocd