X-Git-Url: https://git.openstreetmap.org./rails.git/blobdiff_plain/860887de5272c3e2a39cb7e0c9db6f0acba1b4c6..0425aeebbcf511b6b3627c5a3ba8f5066c80660b:/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]