diff --git a/Gemfile b/Gemfile
index 81136a7..45b562b 100644
--- a/Gemfile
+++ b/Gemfile
@@ -3,6 +3,8 @@ source "http://rubygems.org"
 
 gemspec
 
+gem 'rake'
+
 group :test, :development do
   gem 'rdoc', '>= 2.4.2'
 end