diff --git a/Gemfile b/Gemfile
index b41798794..4fc673c15 100644
--- a/Gemfile
+++ b/Gemfile
@@ -2,7 +2,7 @@ source 'http://rubygems.org'
 
 gem 'rails', '3.0.10'
 gem 'nokogiri'
-gem 'mongoid', '2.1.2'
+gem 'mongoid', '3.0.0'
 gem 'haml'
 gem 'will_paginate', '>=3'
 gem 'htmlentities', "~> 4.3.0"