Update RubyGems 1.2 to 1.3.1 on Mac OS

Published on February 16th, 2009 in Mac OS X, Ruby On Rails

Due to a nasty bug in RubyGems 1.2, you need to install a special gem to be able to update to version 1.3.1:

# sudo gem install rubygems-update
# sudo update_rubygems