X-Git-Url: https://git.openstreetmap.org/rails.git/blobdiff_plain/cd2ca12d4235473cd3611b84e2a61649c17da2f6..86dbcb55f25219edc4f0aa93b209357e4cac0621:/db/migrate/022_key_constraints.rb

diff --git a/db/migrate/022_key_constraints.rb b/db/migrate/022_key_constraints.rb
index e854ba78e..e7840b414 100644
--- a/db/migrate/022_key_constraints.rb
+++ b/db/migrate/022_key_constraints.rb
@@ -1,6 +1,4 @@
-require 'migrate'
-
-class KeyConstraints < ActiveRecord::Migration
+class KeyConstraints < ActiveRecord::Migration[4.2]
   def self.up
     # Primary keys
     add_primary_key :current_node_tags, [:id, :k]