Gemfile.old in jbuilder-2.0.1 vs Gemfile.old in jbuilder-2.0.2

@@ -2,6 +2,13 @@
 
 gemspec
 
 gem 'rake'
 gem 'mocha', :require => false
-gem 'actionpack', '~> 3.0'
\ No newline at end of file
+gem 'actionpack', '~> 3.0'
+
+platforms :rbx do
+  gem 'rubysl', '~> 2.0'
+  gem 'json', '~> 1.8'
+  gem 'rubysl-test-unit'
+  gem 'rubinius-developer_tools'
+end