appraise 'rails-5.1' do
  gem 'rails', '5.1.7'
  gem 'sprockets', '~> 3'
end

appraise 'rails-5.2' do
  gem 'rails', '5.2.4'
  gem 'sprockets', '~> 3'
end

appraise 'rails-6.0' do
  gem 'rails', '6.0.3'
end