RubyGems 4.0.8 includes enhancements and documentation and Bundler 4.0.8 includes enhancements and bug fixes. To update to the latest RubyGems you can run: gem update –system [–pre] To update to the latest Bundler you can run: gem install bundler [–pre] bundle update –bundler=4.0.8 RubyGems Release Notes Enhancements: Use JSON for cargo metadata parsing. Pull request #9373 by hsbt Fix NameError in Gem::Request.get_proxy_from_env when requiring rubygems/request directly.