gem 'rake-compiler', '>= 0.4.1', group: %i(development)
gem 'ruby-maven', '>= 0', group: %i(development)
gem 'test-unit', '>= 0', group: %i(development)
gem 'test-unit-ruby-core', '>= 0', group: %i(development)
gem 'psych', '= 5.2.3'
