diff --git a/helm/templates/backend/backend.serviceaccount.yaml b/helm/templates/backend/backend.serviceaccount.yaml
index 911892d6e..f2b4bc2b7 100644
--- a/helm/templates/backend/backend.serviceaccount.yaml
+++ b/helm/templates/backend/backend.serviceaccount.yaml
@@ -29,7 +29,7 @@ rules:
   verbs: ["get", "create", "delete"]
 - apiGroups: [""]
   resources: ["persistentvolumeclaims"]
-  verbs: ["get", "create"]
+  verbs: ["get", "create", "delete"]
 - apiGroups: [""]
   resources: ["pods", "pods/log", "events"]
   verbs: ["get", "list"]