Facets GEM Install on Windows

I keep getting this error when trying to :

gem install facets

C:\projects\rails>gem install facets ERROR: While executing gem ... (Zlib::BufError)     buffer error

Other gems install fine:

C:\projects\rails>gem environment RubyGems Environment:   - VERSION: 0.9.4 (0.9.4)   - INSTALLATION DIRECTORY: c:/ruby/lib/ruby/gems/1.8   - GEM PATH:      - c:/ruby/lib/ruby/gems/1.8   - REMOTE SOURCES:      - http://gems.rubyforge.org