Rails release for migration

thoughtbot · Jun 17, 2017 · fabd1b2 · fabd1b2
1 parent 42506e5
commit fabd1b2
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/spec/example_app/db/migrate/20170510122301_create_countries.rb b/spec/example_app/db/migrate/20170510122301_create_countries.rb
@@ -1,4 +1,4 @@
-class CreateCountries < ActiveRecord::Migration
+class CreateCountries < ActiveRecord::Migration[4.2]
   def change
     create_table :countries do |t|
       t.string :code, null: false, index: { unique: true }