Rakefile in jspec-2.11.6 vs Rakefile in jspec-2.11.7

@@ -11,10 +11,10 @@
   p.author = "TJ Holowaychuk"
   p.email = "[e-mail]"
   p.summary = "JavaScript BDD Testing Framework"
   p.url = "http://visionmedia.github.com/jspec"
   p.runtime_dependencies << "sinatra"
-  p.runtime_dependencies << "json"
+  p.runtime_dependencies << "json_pure"
   p.runtime_dependencies << "commander >=4.0.0"
   p.runtime_dependencies << "bind >=0.2.8"
 end
 
 namespace :pkg do
\ No newline at end of file