appraise 'rails-30' do
  gem 'rails', '~> 3.0'
end

appraise 'rails-31' do
  gem 'rails', '~> 3.1'
end

appraise 'rails-32' do
  gem 'rails', '~> 3.2'
end

appraise 'rails-40' do
  gem 'rails', '~> 4.0'
end

appraise 'rails-41' do
  gem 'rails', '~> 4.1'
end