From: Brian Candler Date: 2008-04-11T21:04:40+09:00 Subject: Re: Trying (and failing) to load specific version of gem > http://rubyforge.org/tracker/index.php?func=detail&aid=16739&group_id=126&atid=575 Thanks for the quick response. So the magic incantation is: require 'rubygems' gem 'activerecord', '=1.15.3' require 'active_record' ActiveRecord # >> works! Cheers, Brian.