RubyGems 2.0.5 is a bug-fix release. To update to the latest RubyGems you can run:
gem update --system
To install RubyGems by hand see the Download RubyGems page.
If you installed 2.0.1 and are unable to upgrade please follow the how to upgrade/downgrade RubyGems instructions.
- Fixed building of extensions that run ruby in their makefiles. Bug #589 by Zachary Salzbank.