diff --git a/cio/io_unix_test.go b/cio/io_unix_test.go
index 081dca910..77a54d964 100644
--- a/cio/io_unix_test.go
+++ b/cio/io_unix_test.go
@@ -1,5 +1,21 @@
 // +build !windows
 
+/*
+   Copyright The containerd 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 cio
 
 import (
diff --git a/cmd/containerd/builtins_cri_linux.go b/cmd/containerd/builtins_cri_linux.go
index deb5de0ad..c57b38617 100644
--- a/cmd/containerd/builtins_cri_linux.go
+++ b/cmd/containerd/builtins_cri_linux.go
@@ -1,5 +1,21 @@
 // +build !no_cri
 
+/*
+   Copyright The containerd 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 main
 
 import _ "github.com/containerd/cri-containerd"
diff --git a/mount/temp.go b/mount/temp.go
index ec7a06bcb..5994759f3 100644
--- a/mount/temp.go
+++ b/mount/temp.go
@@ -1,3 +1,19 @@
+/*
+   Copyright The containerd 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 mount
 
 import (
diff --git a/mount/temp_unix.go b/mount/temp_unix.go
index 770631362..fcf90d6fb 100644
--- a/mount/temp_unix.go
+++ b/mount/temp_unix.go
@@ -1,5 +1,21 @@
 // +build !windows
 
+/*
+   Copyright The containerd 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 mount
 
 import (
diff --git a/mount/temp_unsupported.go b/mount/temp_unsupported.go
index d3a188fc0..de3f4163a 100644
--- a/mount/temp_unsupported.go
+++ b/mount/temp_unsupported.go
@@ -1,5 +1,21 @@
 // +build windows
 
+/*
+   Copyright The containerd 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 mount
 
 // SetTempMountLocation sets the temporary mount location
diff --git a/script/setup/install-cni b/script/setup/install-cni
index 1d4573d4f..f077f1645 100755
--- a/script/setup/install-cni
+++ b/script/setup/install-cni
@@ -1,4 +1,19 @@
 #!/usr/bin/env bash
+
+#   Copyright The containerd 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.
+
 #
 # Builds and installs cni plugins to /opt/cni/bin,
 # and create basic cni config in /etc/cni/net.d.
diff --git a/script/setup/install-critools b/script/setup/install-critools
index f83c0f933..75780a9e6 100755
--- a/script/setup/install-critools
+++ b/script/setup/install-critools
@@ -1,4 +1,19 @@
 #!/usr/bin/env bash
+
+#   Copyright The containerd 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.
+
 #
 # Builds and installs critools including critest and crictl
 # to /usr/local/bin.