diff --git a/pkg/admission/plugin/webhook/authentication.go b/pkg/admission/plugin/webhook/authentication.go
index 02b63d058..404796582 100644
--- a/pkg/admission/plugin/webhook/authentication.go
+++ b/pkg/admission/plugin/webhook/authentication.go
@@ -17,12 +17,11 @@ limitations under the License.
 package webhook
 
 import (
+	"fmt"
 	"io/ioutil"
 	"strings"
 	"time"
 
-	"fmt"
-
 	"k8s.io/client-go/rest"
 	"k8s.io/client-go/tools/clientcmd"
 	clientcmdapi "k8s.io/client-go/tools/clientcmd/api"