appraise 'rails-5.2' do
  gem 'activerecord', '5.2.0'
  gem 'activesupport', '5.2.0'
  gem 'activemodel', '5.2.0'
end

appraise 'rails-6.0' do
  gem 'activerecord', '6.0.0'
  gem 'activesupport', '6.0.0'
  gem 'activemodel', '6.0.0'
end