diff --git a/Gemfile b/Gemfile
index 99ab763..01281b7 100644
--- a/Gemfile
+++ b/Gemfile
@@ -2,6 +2,8 @@ source "http://rubygems.org"
 
 gemspec
 
+gem 'rake'
+
 require 'rbconfig'
 
 if Config::CONFIG['target_os'] =~ /darwin/i