Gems ==== This is a small plugin that helps with Ruby Gem management for your application. It will automatically include all gem/lib paths into the $LOAD_PATH on startup. To freeze gems: $ rake gems:freeze GEM=tzinfo (in /path/to/app) rm -rf vendor/tzinfo-0.1.2 cd /path/to/app/config/../vendor mkdir -p tzinfo-0.1.2 Unpacked tzinfo 0.1.2 to 'tzinfo-0.1.2' cd - Be sure to require them in your environment.rb if you want them available. $ script/console Loading development environment. >> TZInfo NameError: uninitialized constant TZInfo >> require 'Tzinfo' => true >> TZInfo => TZInfo You can also freeze specific versions: rake gems:freeze GEM=tzinfo VERSION=0.1.2