appraise 'activerecord-4' do
  gem 'activerecord', '~> 4.0'
  gem 'sqlite3', '~> 1.3.6'
end

appraise 'activerecord-5.1' do
  gem 'activerecord', '~> 5.1.0'
  gem 'sqlite3', '~> 1.4'
end

appraise 'activerecord-5.2' do
  gem 'activerecord', '~> 5.2.0'
  gem 'sqlite3', '~> 1.4'
end

appraise 'activerecord-6.0' do
  gem 'activerecord', '~> 6.0.0'
  gem 'sqlite3', '~> 1.4'
end