--- a/Gemfile
+++ b/Gemfile
@@ -265,7 +265,7 @@
 gem 'webpack-rails', '~> 0.9.10'
 gem 'rack-proxy', '~> 0.6.0'
 
-gem 'sassc-rails', '~> 2.1'
+gem 'sassc-rails', '~> 2.1', path: 'vendor/gems/sassc-rails-2.1.2'
 gem 'uglifier', '~> 2.7', '>= 2.7.2'
 
 gem 'addressable', '~> 2.5', '>= 2.5.2'