diff --git a/db/migrate/20140826095949_create_logins.rb b/db/migrate/20140826095949_create_logins.rb
--- a/db/migrate/20140826095949_create_logins.rb
+++ b/db/migrate/20140826095949_create_logins.rb
@@ -1,6 +1,6 @@
-class CreateLogins < ActiveRecord::Migration
+class CreateLogins < ActiveRecord::Migration[4.2]
   def change
-    create_table :logins do |t|
+    create_table :logins, options: "ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_unicode_ci" do |t|
       t.string :user_id
       t.string :ip_address