diff --git a/feathericon-sass.gemspec b/feathericon-sass.gemspec
index 5ed8cda..dd12422 100644
--- a/feathericon-sass.gemspec
+++ b/feathericon-sass.gemspec
@@ -16,6 +16,6 @@ Gem::Specification.new do |s|
 
   s.files = Dir["{app,config,db,lib}/**/*", "MIT-LICENSE", "Rakefile", "README.md"]
 
-  s.add_runtime_dependency 'sass', '>= 3.2'
-  s.add_development_dependency 'sass-rails'
+  s.add_runtime_dependency 'sassc', '>= 2.0'
+  s.add_development_dependency 'sassc-rails'
 end