appraise "activerecord-4" do
  gem "activerecord", "4.2.7.1"
end

appraise "activerecord-4_with_strong_migrations" do
  gem "activerecord", "4.2.7.1"
  gem "strong_migrations", "0.2"
end

appraise "activerecord-5" do
  gem "activerecord", "5.0.0.1"
end

appraise "activerecord-5_with_strong_migrations" do
  gem "activerecord", "5.0.0.1"
  gem "strong_migrations", "0.2"
end