diff --git a/Gemfile b/Gemfile
index 9c966d32..e7ddd54e 100644
--- a/Gemfile
+++ b/Gemfile
@@ -228,6 +228,8 @@ gem 'dalli'
 
 gem 'icalendar'
 
+gem 'mini_racer'
+
 # Use guard and spring for testing in development
 group :development do
   # to launch specs when files are modified