appraise "3.0" do
gem "activerecord", "~> 3.0.20"
end
appraise "3.1" do
gem "activerecord", "~> 3.1.12"
appraise "3.2" do
gem "activerecord", "~> 3.2.13"
appraise '4.0' do
gem 'activerecord', "~> 4.0.0"