diff --git a/Gemfile b/Gemfile
index fdf1ea45..cb1ac1c2 100644
--- a/Gemfile
+++ b/Gemfile
@@ -13,6 +13,8 @@ gem 'formtastic'
 gem 'json'
 gem 'rails3-jquery-autocomplete'
 gem 'best_in_place'
+gem 'therubyracer' #optional
+gem 'rb-readline'
 
 # Gems used only for assets and not required
 # in production environments by default.