sinatra-assetpack.gemspec in sinatra-assetpack-0.1.3 vs sinatra-assetpack.gemspec in sinatra-assetpack-0.1.4

@@ -22,10 +22,10 @@
   s.add_development_dependency "sass"
   s.add_development_dependency "haml"
   s.add_development_dependency "coffee-script"
   s.add_development_dependency "contest"
   s.add_development_dependency "mocha"
-  s.add_development_dependency "stylus"
+  s.add_development_dependency "stylus", "< 0.7.1"
   s.add_development_dependency "uglifier"
   s.add_development_dependency "rake"
   s.add_development_dependency "less"
 end