diff --git a/Gemfile b/Gemfile
index 30e63d8939..d870eb36dc 100644
--- a/Gemfile
+++ b/Gemfile
@@ -1,7 +1,7 @@
 source 'https://rubygems.org'
 gem 'rake', '~> 10.0.3'
 gem 'sass', '3.3.5'
-gem 'bourbon', '~> 3.1.8'
+gem 'bourbon', '~> 4.0.1'
 gem 'neat', '~> 1.6.0'
 gem 'colorize', '~> 0.5.8'
 gem 'launchy', '~> 2.1.2'