ustyle.gemspec in ustyle-1.5.8 vs ustyle.gemspec in ustyle-1.6.1

@@ -19,10 +19,10 @@
   spec.executables   = spec.files.grep(%r{^bin/}) { |f| File.basename(f) }
   spec.test_files    = spec.files.grep(%r{^(test|spec|features)/})
   spec.require_paths = ["lib"]
 
   spec.add_dependency "sass"
-  spec.add_dependency "autoprefixer-rails", "~> 4.0"
+  spec.add_dependency "autoprefixer-rails"
   spec.add_dependency "mime-types"
   spec.add_dependency "chunky_png",  ">= 0.8.0"
 
   spec.add_development_dependency "bundler", "~> 1.3"
   spec.add_development_dependency "rake"