Upgrading/downgrading Rubygems

Posted on February 23, 2009 by Tim Rosenblatt

How to upgrade/downgrade Ruby gems/Rubygems. Some times you have a legit reason for needing a particular version of rubygems to be installed. Here’s how to choose the version that gets installed.

sudo gem install rubygems-update -v 1.2.0

Obviously replace your version number with the one you want to downgrade to.

Then, go ahead and run

sudo update_rubygems
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  • http://twitter.com/schlick Michael MacDonald

    The last command needs to have the version number specified:

    sudo update_rubygems –version=1.2.0