diff --git a/k8s/argocd/overlays/staging/kustomization.yaml b/k8s/argocd/overlays/staging/kustomization.yaml
index cd5baa3..7472b9f 100644
--- a/k8s/argocd/overlays/staging/kustomization.yaml
+++ b/k8s/argocd/overlays/staging/kustomization.yaml
@@ -5,6 +5,9 @@ kind: Kustomization
 bases:
 - ../../base
 
+commonLabels:
+  app.kubernetes.io/instance: argocd
+
 patchesStrategicMerge:
 - applications.yaml