X-Git-Url: https://git.arvados.org/arvados.git/blobdiff_plain/a0446e23b6795c8c90c5e66438a3a1bb82f9368a..31c66b5b49d05d9a0019bea85112cea6daeb7f1a:/services/api/db/migrate/20180820135808_drop_pdh_index_from_collections.rb

diff --git a/services/api/db/migrate/20180820135808_drop_pdh_index_from_collections.rb b/services/api/db/migrate/20180820135808_drop_pdh_index_from_collections.rb
index 3d757e4114..afa1b62e2a 100644
--- a/services/api/db/migrate/20180820135808_drop_pdh_index_from_collections.rb
+++ b/services/api/db/migrate/20180820135808_drop_pdh_index_from_collections.rb
@@ -2,7 +2,7 @@
 #
 # SPDX-License-Identifier: AGPL-3.0
 
-class DropPdhIndexFromCollections < ActiveRecord::Migration
+class DropPdhIndexFromCollections < ActiveRecord::Migration[4.2]
   def change
     remove_index :collections, column: :portable_data_hash
   end