gem 'appraisal', '>= 0', group: %i(development)
gem 'bundler', '>= 1.10', '< 3', group: %i(development)
gem 'pry', '>= 0', group: %i(development)
gem 'rake', '>= 10.0', group: %i(development)
gem 'rspec', '~> 3.0', group: %i(development)
gem 'rubocop-thread_safety', '~> 0.5.1'
