X-Git-Url: https://git.openstreetmap.org./rails.git/blobdiff_plain/497009ed2b98dfdeeb349e891c1fbd88d14ff087..309bd95c571a672bed953ef1e77df6936b2c19f8:/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]