s.add_development_dependency 'cucumber'
   s.add_development_dependency 'aruba'
-  s.add_development_dependency 'json', '~> 1.7.7'
+  s.add_development_dependency 'json'
   s.add_development_dependency 'timecop'
   s.add_runtime_dependency 'safe_yaml'
   s.add_runtime_dependency 'mail'