Can't launch because of hpricot version problems

hpricot probs

andrew-kaspers-macbook-pro-2:superkix andrewkasper$ ./script/server 
=> Booting Mongrel (use 'script/server webrick' to force WEBrick)
=> Rails 2.1.0 application starting on http://0.0.0.0:3000
=> Call with -d to detach
=> Ctrl-C to shutdown server
** Starting Mongrel listening at 0.0.0.0:3000
** Starting Rails with development environment...
Exiting
/Library/Ruby/Site/1.8/rubygems.rb:149:in `activate': can't activate hpricot (= 0.6, runtime), already activated hpricot-0.8.1 (Gem::Exception)
	from /Library/Ruby/Site/1.8/rubygems.rb:165:in `activate'
	from /Library/Ruby/Site/1.8/rubygems.rb:164:in `each'
	from /Library/Ruby/Site/1.8/rubygems.rb:164:in `activate'
	from /Library/Ruby/Site/1.8/rubygems.rb:49:in `gem'
	from ./script/../config/../vendor/rails/railties/lib/rails/gem_dependency.rb:32:in `add_load_paths'
	from /Users/andrewkasper/Projects/SuperKix/superkix/vendor/rails/activesupport/lib/active_support/core_ext/symbol.rb:11:in `__send__'
	from /Users/andrewkasper/Projects/SuperKix/superkix/vendor/rails/activesupport/lib/active_support/core_ext/symbol.rb:11:in `to_proc'
	from ./script/../config/../vendor/rails/railties/lib/initializer.rb:241:in `each'
	 ... 31 levels...
	from /Users/andrewkasper/Projects/SuperKix/superkix/vendor/rails/railties/lib/commands/server.rb:39
	from /Library/Ruby/Site/1.8/rubygems/custom_require.rb:31:in `gem_original_require'
	from /Library/Ruby/Site/1.8/rubygems/custom_require.rb:31:in `require'
	from ./script/server:3