diff --git a/pkg/v1/layout/layer.go b/pkg/v1/layout/layer.go
index 7e12416ff..ae9efacd7 100644
--- a/pkg/v1/layout/layer.go
+++ b/pkg/v1/layout/layer.go
@@ -1,3 +1,17 @@
+// Copyright 2019 The original author or 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 layout
 
 import (
diff --git a/pkg/v1/layout/puller.go b/pkg/v1/layout/puller.go
index 03474cb8e..f1e8d9fc6 100644
--- a/pkg/v1/layout/puller.go
+++ b/pkg/v1/layout/puller.go
@@ -1,3 +1,17 @@
+// Copyright 2019 The original author or 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 layout
 
 import (
diff --git a/pkg/v1/layout/pusher.go b/pkg/v1/layout/pusher.go
index 8271aa537..30ec485d3 100644
--- a/pkg/v1/layout/pusher.go
+++ b/pkg/v1/layout/pusher.go
@@ -1,3 +1,17 @@
+// Copyright 2019 The original author or 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 layout
 
 import (
diff --git a/pkg/v1/partial/artifact.go b/pkg/v1/partial/artifact.go
index 3f094dab3..229ea3385 100644
--- a/pkg/v1/partial/artifact.go
+++ b/pkg/v1/partial/artifact.go
@@ -1,3 +1,17 @@
+// Copyright 2019 The original author or 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 partial
 
 import "github.com/google/go-containerregistry/pkg/v1/types"