X-Git-Url: https://git.openstreetmap.org./rails.git/blobdiff_plain/c3e2e6462f293596aef5d5de18b0a173edc046c7..79c306ad06155549ff6e5929ff20a1149b4862c4:/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]