diff --git a/pkg/apis/audit/v1/doc.go b/pkg/apis/audit/v1/doc.go
index b8f818ffd..d1f180c94 100644
--- a/pkg/apis/audit/v1/doc.go
+++ b/pkg/apis/audit/v1/doc.go
@@ -15,6 +15,7 @@ limitations under the License.
 */
 
 // +k8s:deepcopy-gen=package
+// +k8s:protobuf-gen=package
 // +k8s:conversion-gen=k8s.io/apiserver/pkg/apis/audit
 // +k8s:openapi-gen=true
 // +k8s:defaulter-gen=TypeMeta
diff --git a/pkg/apis/audit/v1alpha1/doc.go b/pkg/apis/audit/v1alpha1/doc.go
index d2cbdd991..54a8440eb 100644
--- a/pkg/apis/audit/v1alpha1/doc.go
+++ b/pkg/apis/audit/v1alpha1/doc.go
@@ -15,6 +15,7 @@ limitations under the License.
 */
 
 // +k8s:deepcopy-gen=package
+// +k8s:protobuf-gen=package
 // +k8s:conversion-gen=k8s.io/apiserver/pkg/apis/audit
 // +k8s:openapi-gen=true
 // +k8s:defaulter-gen=TypeMeta
diff --git a/pkg/apis/audit/v1beta1/doc.go b/pkg/apis/audit/v1beta1/doc.go
index d43a807c3..f3fe61683 100644
--- a/pkg/apis/audit/v1beta1/doc.go
+++ b/pkg/apis/audit/v1beta1/doc.go
@@ -15,6 +15,7 @@ limitations under the License.
 */
 
 // +k8s:deepcopy-gen=package
+// +k8s:protobuf-gen=package
 // +k8s:conversion-gen=k8s.io/apiserver/pkg/apis/audit
 // +k8s:openapi-gen=true
 // +k8s:defaulter-gen=TypeMeta
diff --git a/pkg/apis/example/v1/doc.go b/pkg/apis/example/v1/doc.go
index 33a3ef04b..ab15774a3 100644
--- a/pkg/apis/example/v1/doc.go
+++ b/pkg/apis/example/v1/doc.go
@@ -15,6 +15,7 @@ limitations under the License.
 */
 
 // +k8s:deepcopy-gen=package
+// +k8s:protobuf-gen=package
 // +k8s:conversion-gen=k8s.io/apiserver/pkg/apis/example
 // +k8s:openapi-gen=false
 // +k8s:defaulter-gen=TypeMeta