diff --git a/kustomize/dovecot-secret-volume.yaml b/kustomize/dovecot-secret-volume.yaml
index ce5ebff..75affa1 100644
--- a/kustomize/dovecot-secret-volume.yaml
+++ b/kustomize/dovecot-secret-volume.yaml
@@ -2,6 +2,8 @@ apiVersion: v1
 kind: PersistentVolumeClaim
 metadata:
   name: dovecot-secret-pv-claim
+  labels:
+    app: dovecot
 spec:
   resources:
     requests: