X-Git-Url: https://git.openstreetmap.org./rails.git/blobdiff_plain/16f5a5ac0c674b258996fcbde1c3fda2e651906a..02f5b0a81893dc8b1a63e7e0f134ac10905a992e:/db/migrate/022_key_constraints.rb

diff --git a/db/migrate/022_key_constraints.rb b/db/migrate/022_key_constraints.rb
index 5a6a9296f..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]