Generated migration doesn't work in Rails 5

[mrfidgety]

== 20171106025207 CreateSessions: migrating ===================================
-- create_table(:sessions, {:id=>:uuid})
   -> 0.0443s
-- add_index(:sessions, :authentication_token)
   -> 0.0066s
== 20171106025207 CreateSessions: migrated (0.0511s) ==========================

rails aborted!
StandardError: An error has occurred, this and all later migrations canceled:

Directly inheriting from ActiveRecord::Migration is not supported. Please specify the Rails release the migration was written for:

  class DeviseSessionableCreateSessions < ActiveRecord::Migration[4.2]
/Users/tristanhart/workspace/ohai-rails/db/migrate/20171108062236_devise_sessionable_create_sessions.rb:1:in `<top (required)>'
/Users/tristanhart/workspace/ohai-rails/bin/rails:9:in `require'
/Users/tristanhart/workspace/ohai-rails/bin/rails:9:in `<top (required)>'
/Users/tristanhart/workspace/ohai-rails/bin/spring:15:in `<top (required)>'
bin/rails:3:in `load'
bin/rails:3:in `<main>'

Caused by:
StandardError: Directly inheriting from ActiveRecord::Migration is not supported. Please specify the Rails release the migration was written for:

  class DeviseSessionableCreateSessions < ActiveRecord::Migration[4.2]
/Users/tristanhart/workspace/ohai-rails/db/migrate/20171108062236_devise_sessionable_create_sessions.rb:1:in `<top (required)>'
/Users/tristanhart/workspace/ohai-rails/bin/rails:9:in `require'
/Users/tristanhart/workspace/ohai-rails/bin/rails:9:in `<top (required)>'
/Users/tristanhart/workspace/ohai-rails/bin/spring:15:in `<top (required)>'
bin/rails:3:in `load'
bin/rails:3:in `<main>'
Tasks: TOP => db:migrate
(See full trace by running task with --trace)