From: "W.P. McNeill" Date: 2009-09-23T03:30:06+09:00 Subject: Re: Vicious versioning cycle prevents upgrading Ruby Gems I downloaded the rubygems-1.3.5.tgz tarball from Ruby Forge and ran: sudo ruby setup.rb This installed Gems 1.3.5 over my previous version, so all of my old gems remained in place. (I wasn't sure that it would do this.) Afterwards I was able to install newgem. Problem solved.