$ gem -v 1.3.7 $ sudo gem install rubygems-update Password: Successfully installed rubygems-update-1.6.2 1 gem installed Installing ri documentation for rubygems-update-1.6.2... Installing RDoc documentation for rubygems-update-1.6.2... $ sudo update_rubygems RubyGems 1.6.2 installed === 1.6.2 / 2011-03-08 Bug Fixes: * require of an activated gem could cause activation conflicts. Fixes Bug #29056 by Dave Verwer. * `gem outdated` now works with up-to-date prerelease gems. ------------------------------------------------------------------------------ RubyGems installed the following executables: /System/Library/Frameworks/Ruby.framework/Versions/1.8/usr/bin/gem $ gem -v 1.6.2