diff --git a/Rakefile b/Rakefile
index 3bda681..814ca07 100644
--- a/Rakefile
+++ b/Rakefile
@@ -1,6 +1,7 @@
 Dir.chdir Rake.application.original_dir
 
 require 'jasmine'
+require 'yaml'
 load 'jasmine/tasks/jasmine.rake'
 
 def config_file