appraise "3.2" do
  gem "rails", "~> 3.2.21"
end

appraise "4.0" do
  gem "rails", "~> 4.0.13"
end

appraise "4.1" do
  gem "rails", "~> 4.1.10"
end

appraise "4.2" do
  gem "rails", "~> 4.2.1"
end