diff --git a/lib/administrate/engine.rb b/lib/administrate/engine.rb
index 43ab7b9388..f433b48c6c 100644
--- a/lib/administrate/engine.rb
+++ b/lib/administrate/engine.rb
@@ -1,3 +1,4 @@
+require "bourbon"
 require "datetime_picker_rails"
 require "jquery-rails"
 require "kaminari"