diff --git a/version/ver.go.in b/version/ver.go.in
index e8142118e..7d8c308a5 100644
--- a/version/ver.go.in
+++ b/version/ver.go.in
@@ -1,3 +1,7 @@
+// Copyright (c) 2020 Tailscale Inc & AUTHORS All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
 // +build redo
 
 package version