Download RubyGems | RubyGems.org | your community gem hostRubyGems is a package management framework for Ruby. Download the latest version here: Or, to upgrade to the latest RubyGems: $ gem update --system You might be running into some bug that prevents you from upgrading rubygems the standard way. In that case, you can try upgrading manually: Download from above Unpack into a directory and cd there Install with: ruby setup.rb For more details and other
