diff --git a/vendor/sigs.k8s.io/yaml/yaml_go110.go b/vendor/sigs.k8s.io/yaml/yaml_go110.go
index ab3e06a..94abc17 100644
--- a/vendor/sigs.k8s.io/yaml/yaml_go110.go
+++ b/vendor/sigs.k8s.io/yaml/yaml_go110.go
@@ -1,7 +1,24 @@
 // This file contains changes that are only compatible with go 1.10 and onwards.
 
+//go:build go1.10
 // +build go1.10
 
+/*
+Copyright 2021 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 yaml
 
 import "encoding/json"