grape.gemspec in grape-0.2.2 vs grape.gemspec in grape-0.2.3

@@ -21,9 +21,10 @@
   # s.add_runtime_dependency 'rack-jsonp'
   s.add_runtime_dependency 'multi_json', '>= 1.3.2'
   s.add_runtime_dependency 'multi_xml'
   s.add_runtime_dependency 'hashie', '~> 1.2'
   s.add_runtime_dependency 'virtus'
+  s.add_runtime_dependency 'builder'
 
   s.add_development_dependency 'rake'
   s.add_development_dependency 'maruku'
   s.add_development_dependency 'yard'
   s.add_development_dependency 'rack-test'