db/migrate/001_create_sites.rb in trusty-multi-site-extension-3.0.2 vs db/migrate/001_create_sites.rb in trusty-multi-site-extension-3.1.0

@@ -1,5 +1,5 @@
-class CreateSites < ActiveRecord::Migration
+class CreateSites < ActiveRecord::Migration[5.1]
   def self.up
     create_table :sites do |t|
       t.column :name, :string
       t.column :domain, :string
       t.column :homepage_id, :integer