appraise 'rails_3_2' do
  gem 'rails',  '~> 3.2.21'
end

appraise 'rails_4_0' do
  gem 'rails', '~> 4.0.12'
end

appraise 'rails_4_1' do
  gem 'rails', '~> 4.1.8'
end

appraise 'rails_4_2' do
  gem 'rails', '~> 4.2.0'
end
