RubyGems 2.1.1 includes a bug fix.
To update to the latest RubyGems you can run:
gem update --system
If you need to upgrade or downgrade please follow the how to upgrade/downgrade RubyGems instructions. To install RubyGems by hand see the Download RubyGems page.
- Only matching gems matching your local platform are considered for installation. Issue #638 by José M. Prieto, issue #639 by sawanoboly.