RubyGems 4.0.4 includes enhancements and bug fixes and Bundler 4.0.4 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=4.0.4 RubyGems Release Notes Enhancements: Remove date require from rebuild command. Pull request #9232 by jeremyevans Installs bundler 4.0.4 as a default gem.