appraise 'rails-4.2-stable' do
  gem 'rails', '~> 4.2.0'
  gem 'rails-observers'
end

appraise 'rails-5.0-stable' do
  gem 'rails', '~> 5.0.0'
  gem 'rails-observers'
end

appraise 'rails-5.1-stable' do
  gem 'rails', '~> 5.1.0'
  gem 'rails-observers'
end


appraise 'rails-5.2-stable' do
  gem 'rails', '~> 5.2.0'
  gem 'rails-observers'
end

# appraise 'rails-6.0-beta' do
#   gem 'rails', '~> 6.0.0.beta1'
#   gem 'rails-observers'
# end