diff --git a/vendor/k8s.io/api/authentication/v1beta1/doc.go b/vendor/k8s.io/api/authentication/v1beta1/doc.go
index 919f3c4..185a224 100644
--- a/vendor/k8s.io/api/authentication/v1beta1/doc.go
+++ b/vendor/k8s.io/api/authentication/v1beta1/doc.go
@@ -15,6 +15,7 @@
 */
 
 // +k8s:deepcopy-gen=package
+// +k8s:protobuf-gen=package
 // +groupName=authentication.k8s.io
 // +k8s:openapi-gen=true