diff --git a/entc/integration/relation_test.go b/entc/integration/relation_test.go
index a77e4342b..1c4a724b9 100644
--- a/entc/integration/relation_test.go
+++ b/entc/integration/relation_test.go
@@ -1,3 +1,7 @@
+// Copyright (c) Facebook, Inc. and its affiliates. All Rights Reserved.
+// This source code is licensed under the Apache 2.0 license found
+// in the LICENSE file in the root directory of this source tree.
+
 package integration
 
 import (