appraise "activerecord-4" do
  gem "activerecord", "4.2.11.1"
  gem "pg", "~> 0.15"
end

appraise "activerecord-5" do
  gem "activerecord", "5.2.3"
end

appraise "activerecord-6" do
  gem "activerecord", "6.0.0"
end