grater.gemspec in grater-0.1.2 vs grater.gemspec in grater-0.1.3

@@ -14,8 +14,9 @@
   gem.test_files    = gem.files.grep(%r{^(test|spec|features)/})
   gem.name          = 'grater'
   gem.require_paths = ['lib']
   gem.version       = Grater::VERSION
 
+  gem.required_ruby_version = '>= 1.8.7'
   gem.add_dependency 'sass', '>= 3.2.0'
   gem.add_development_dependency 'rake'
 end