diff --git a/vendor/k8s.io/client-go/kubernetes/typed/core/v1/serviceaccount_expansion.go b/vendor/k8s.io/client-go/kubernetes/typed/core/v1/serviceaccount_expansion.go
new file mode 100644
index 0000000..eaf643f
--- /dev/null
+++ b/vendor/k8s.io/client-go/kubernetes/typed/core/v1/serviceaccount_expansion.go
@@ -0,0 +1,41 @@
+/*
+Copyright 2018 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 v1
+
+import (
+	authenticationv1 "k8s.io/api/authentication/v1"
+)
+
+// The ServiceAccountExpansion interface allows manually adding extra methods
+// to the ServiceAccountInterface.
+type ServiceAccountExpansion interface {
+	CreateToken(name string, tr *authenticationv1.TokenRequest) (*authenticationv1.TokenRequest, error)
+}
+
+// CreateToken creates a new token for a serviceaccount.
+func (c *serviceAccounts) CreateToken(name string, tr *authenticationv1.TokenRequest) (*authenticationv1.TokenRequest, error) {
+	result := &authenticationv1.TokenRequest{}
+	err := c.client.Post().
+		Namespace(c.ns).
+		Resource("serviceaccounts").
+		SubResource("token").
+		Name(name).
+		Body(tr).
+		Do().
+		Into(result)
+	return result, err
+}