diff --git a/Gemfile b/Gemfile
index 00523f8d1e..de7b0d7a98 100644
--- a/Gemfile
+++ b/Gemfile
@@ -60,9 +60,11 @@ gem 'sidekiq-statsd', '0.1.2'
 # for sidekiq monitoring
 gem 'sinatra', '>= 1.3.0', :require => nil
 
+# NOTE: moved out of the assets group as a workaround for this issue:
+# https://github.com/twbs/bootstrap-sass/issues/523
+gem 'sass-rails', '3.2.6'
 group :assets do
   gem "therubyracer", "0.11.4"
-  gem 'sass-rails', '3.2.6'
   gem 'uglifier', '1.2.7'
 end