diff --git a/cloud/bmaas/bmdb/model/interfaces.go b/cloud/bmaas/bmdb/model/interfaces.go
index 9c8f601..1d559d6 100644
--- a/cloud/bmaas/bmdb/model/interfaces.go
+++ b/cloud/bmaas/bmdb/model/interfaces.go
@@ -1,3 +1,6 @@
+// Copyright The Monogon Project Authors.
+// SPDX-License-Identifier: Apache-2.0
+
 package model
 
 import "context"