rouge.gemspec in rouge-2.1.1 vs rouge.gemspec in rouge-2.2.0

@@ -12,7 +12,10 @@
   desc
   s.homepage = "http://rouge.jneen.net/"
   s.rubyforge_project = "rouge"
   s.files = Dir['Gemfile', 'LICENSE', 'rouge.gemspec', 'lib/**/*.rb', 'lib/**/*.yml', 'bin/rougify', 'lib/rouge/demos/*']
   s.executables = %w(rougify)
-  s.license = 'MIT, 2-clause BSD'
+  s.licenses = ['MIT', 'BSD-2-Clause']
+
+  s.add_development_dependency "bundler", "~> 1.10"
+  s.add_development_dependency "rake", "~> 12.0"
 end