-class RenameReplicationAttributes < ActiveRecord::Migration
+# Copyright (C) The Arvados Authors. All rights reserved.
+#
+# SPDX-License-Identifier: AGPL-3.0
+
+class RenameReplicationAttributes < ActiveRecord::Migration[4.2]
RENAME = [[:redundancy, :replication_desired],
[:redundancy_confirmed_as, :replication_confirmed],
[:redundancy_confirmed_at, :replication_confirmed_at]]