# Rails 4.0 appraise 'rails-4.0-pc-4-1' do gem 'rails', '~> 4.0.0' gem 'paperclip', '~> 4.1.0' end appraise 'rails-4.0-pc-4-2' do gem 'rails', '~> 4.0.0' gem 'paperclip', '~> 4.2.0' end # Rails 4.2 appraise 'rails-4.2-pc-4-1' do gem 'rails', '~> 4.2.0' gem 'paperclip', '~> 4.1.0' end appraise 'rails-4.2-pc-4-2' do gem 'rails', '~> 4.2.0' gem 'paperclip', '~> 4.2.0' end