diff --git a/deploy/addons/gcp-auth/gcp-auth-webhook.yaml.tmpl b/deploy/addons/gcp-auth/gcp-auth-webhook.yaml.tmpl
index d767f269a6..86b0615757 100644
--- a/deploy/addons/gcp-auth/gcp-auth-webhook.yaml.tmpl
+++ b/deploy/addons/gcp-auth/gcp-auth-webhook.yaml.tmpl
@@ -31,6 +31,7 @@ rules:
       - list
       - get
       - create
+      - delete
   - apiGroups:
       - admissionregistration.k8s.io
     resources: