diff --git a/post-processor/hcp-vagrant-registry/util.go b/post-processor/hcp-vagrant-registry/util.go
index 051b1173..f933ca0d 100644
--- a/post-processor/hcp-vagrant-registry/util.go
+++ b/post-processor/hcp-vagrant-registry/util.go
@@ -1,3 +1,6 @@
+// Copyright (c) HashiCorp, Inc.
+// SPDX-License-Identifier: MPL-2.0
+
 package hcpvagrantregistry
 
 import (