diff --git a/Gemfile b/Gemfile
index cb7c057..06f2b8a 100644
--- a/Gemfile
+++ b/Gemfile
@@ -14,6 +14,11 @@ gem 'ampex'
 
 gem 'thumbs_up', :git => "git@github.com:dementrock/thumbs_up.git"
 
+# ruby-mongo-driver
+gem 'mongo'
+gem 'bson'
+gem 'bson_ext'
+
 group :test do
   gem 'rspec'
   gem 'rack-test', :require => "rack/test"