diff --git a/gemfiles/mongoid_30.gemfile b/gemfiles/mongoid_30.gemfile
index 37d2987..eb620d2 100644
--- a/gemfiles/mongoid_30.gemfile
+++ b/gemfiles/mongoid_30.gemfile
@@ -1,7 +1,7 @@
 source 'https://rubygems.org'
 
 gem 'railties', '>= 3.2.3'
-gem 'mongoid', '>= 3.0'
+gem 'mongoid', '~> 3.0.0'
 gem 'rspec-rails', '>= 2.0'
 gem 'origin'
 gem 'moped'