appraise 'activerecord-5.0' do
  gem 'activerecord', "~> 5.0.0"
end

appraise "activerecord-4.2" do
  gem "activerecord", "~> 4.2.0"
end

appraise "activerecord-4.1" do
  gem "activerecord", "~> 4.1.0"
  gem 'mysql2', '~> 0.3.21'
end

appraise "activerecord-4.0" do
  gem "activerecord", "~> 4.0.0"
  gem 'mysql2', '~> 0.3.21'
end
