appraise "rails-4" do
  gem "rails", "~> 4"
  gem "sprockets", "~> 3.7"
  gem "sqlite3", "~> 1.3.6"
end

appraise "rails-5" do
  gem "rails", "~> 5.0"
  gem "sprockets", "~> 3.7"
end

appraise "rails-6" do
  gem "rails", "~> 6.0"
end