diff --git a/vendor/k8s.io/apimachinery/pkg/runtime/serializer/protobuf_extension.go b/vendor/k8s.io/apimachinery/pkg/runtime/serializer/protobuf_extension.go
new file mode 100644
index 0000000..545cf78
--- /dev/null
+++ b/vendor/k8s.io/apimachinery/pkg/runtime/serializer/protobuf_extension.go
@@ -0,0 +1,48 @@
+/*
+Copyright 2014 The Kubernetes Authors.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+package serializer
+
+import (
+	"k8s.io/apimachinery/pkg/runtime"
+	"k8s.io/apimachinery/pkg/runtime/serializer/protobuf"
+)
+
+const (
+	// contentTypeProtobuf is the protobuf type exposed for Kubernetes. It is private to prevent others from
+	// depending on it unintentionally.
+	// TODO: potentially move to pkg/api (since it's part of the Kube public API) and pass it in to the
+	//   CodecFactory on initialization.
+	contentTypeProtobuf = "application/vnd.kubernetes.protobuf"
+)
+
+func protobufSerializer(scheme *runtime.Scheme) (serializerType, bool) {
+	serializer := protobuf.NewSerializer(scheme, scheme, contentTypeProtobuf)
+	raw := protobuf.NewRawSerializer(scheme, scheme, contentTypeProtobuf)
+	return serializerType{
+		AcceptContentTypes: []string{contentTypeProtobuf},
+		ContentType:        contentTypeProtobuf,
+		FileExtensions:     []string{"pb"},
+		Serializer:         serializer,
+
+		Framer:           protobuf.LengthDelimitedFramer,
+		StreamSerializer: raw,
+	}, true
+}
+
+func init() {
+	serializerExtensions = append(serializerExtensions, protobufSerializer)
+}