Ruby gem: rspec
gem install rspec -v 2.6.0.rc4 gem 'rspec', '~> 2.6.0.rc4' To lock this gem at this specific version, update your Gemfile:
gem 'rspec', '2.6.0.rc4' Then run:
bundle install Note: This is an older version. Consider upgrading to the latest version (3.13.2) for the newest features and security fixes.