appraise 'rails_3_2' do
  gem 'rails',  '~> 3.2.22.2'
end

appraise 'rails_4_0' do
  gem 'rails', '~> 4.0.13'
end

appraise 'rails_4_1' do
  gem 'rails', '~> 4.1.15'
end

appraise 'rails_4_2' do
  gem 'rails', '~> 4.2.6'
end
