appraise "rails-3-2" do
  gem "rails", "~> 3.2.21"
  gem "mysql2", "~> 0.3.20"
end

appraise "rails-4-0" do
  gem "rails", "~> 4.0.12"
  gem "mysql2", "~> 0.3.20"
end

appraise "rails-4-1" do
  gem "rails", "~> 4.1.8"
  gem "mysql2", "~> 0.3.20"
end

appraise "rails-4-2" do
  gem "rails", "~> 4.2.0"
end

appraise "rails-5" do
  gem "rails", "~> 5.0.0.beta4"
end