Appraisals in csso-rails-0.4.1 vs Appraisals in csso-rails-0.5.0

@@ -10,9 +10,10 @@
   gem "sprockets", "~>3.0"
 end
 
 appraise "sprockets-4" do
   gem "sprockets", "~>4.0.0.beta2"
+  gem 'sass', '>=3.3'
 end
 
 appraise "rails-4" do
   gem "rails", '4.2.5.1'
 end