diff --git a/Gemfile b/Gemfile
index 80ba78a8e..017043c14 100644
--- a/Gemfile
+++ b/Gemfile
@@ -6,6 +6,7 @@ gem "i18n", "~> 0.6.0"
 gem "coderay", "~> 1.0.6"
 gem "fastercsv", "~> 1.5.0", :platforms => [:mri_18, :mingw_18, :jruby]
 gem "builder", "3.0.0"
+gem "rake", "~> 0.9"
 
 # Optional gem for LDAP authentication
 group :ldap do