Gemfile in citeproc-js-0.0.1 vs Gemfile in citeproc-js-0.0.2

@@ -1,8 +1,10 @@
 source :rubygems
 gemspec
 
-group :test do
+group :debug do
 	gem 'ruby-debug', :platforms => [:ruby_18, :jruby]
 	gem 'ruby-debug19', :require => 'ruby-debug', :platforms => [:ruby_19]
-	gem 'therubyrhino', :require => 'rhino', :platforms => [:jruby]
 end
+
+gem 'therubyrhino', '~>1.72', :require => 'rhino', :platforms => [:jruby]
+gem 'johnson', '~>1.2', :platforms => [:ruby_18]