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-rw-r--r--db/migrate/20160803161903_add_unique_index_to_lists_label_id.rb2
1 files changed, 1 insertions, 1 deletions
diff --git a/db/migrate/20160803161903_add_unique_index_to_lists_label_id.rb b/db/migrate/20160803161903_add_unique_index_to_lists_label_id.rb
index 9c1511963f7..f866fe15ec1 100644
--- a/db/migrate/20160803161903_add_unique_index_to_lists_label_id.rb
+++ b/db/migrate/20160803161903_add_unique_index_to_lists_label_id.rb
@@ -1,5 +1,5 @@
# rubocop:disable RemoveIndex
-class AddUniqueIndexToListsLabelId < ActiveRecord::Migration
+class AddUniqueIndexToListsLabelId < ActiveRecord::Migration[4.2]
include Gitlab::Database::MigrationHelpers
DOWNTIME = false