Gemfile
source "http://rubygems.org"
gem 'activesupport', '~> 5.0.0'
gem 'activerecord', '~> 5.0.0'
gemspec
# some development deps
gem 'activerecord-jdbcsqlite3-adapter', platform: :jruby
gem 'sqlite3', '~> 1.3.6', platform: :ruby
gem 'bson_ext', platform: :ruby
# Code coverage on CI only
gem 'codeclimate-test-reporter', group: :test, require: nil