diff --git a/apps/argo-mcp.yaml b/apps/argo-mcp.yaml
index 7ebe124..daccf4b 100644
--- a/apps/argo-mcp.yaml
+++ b/apps/argo-mcp.yaml
@@ -1,3 +1,13 @@
+---
+# Namespace must be created first (sync-wave: -1)
+apiVersion: v1
+kind: Namespace
+metadata:
+  name: argocd-mcp
+  annotations:
+    argocd.argoproj.io/sync-wave: "-1"
+---
+
 apiVersion: bitnami.com/v1alpha1
 kind: SealedSecret
 metadata: