keynote.gemspec in keynote-0.2.0 vs keynote.gemspec in keynote-0.2.1

@@ -20,15 +20,24 @@
   gem.version       = Keynote::VERSION
 
   gem.add_dependency 'rails', '>= 3.0.0'
 
   gem.add_development_dependency 'appraisal'
-  gem.add_development_dependency 'minitest', '< 5'
-  gem.add_development_dependency 'mocha', '~> 0.13.3'
+  gem.add_development_dependency 'minitest'
+  gem.add_development_dependency 'mocha', '~> 1.0.0'
   gem.add_development_dependency 'pry'
-  gem.add_development_dependency 'redcarpet'
   gem.add_development_dependency 'simplecov'
   gem.add_development_dependency 'yard'
 
   gem.add_development_dependency 'slim'
   gem.add_development_dependency 'haml'
+
+  unless RbConfig::CONFIG['ruby_install_name'] == 'jruby'
+    gem.add_development_dependency 'redcarpet'
+  end
+
+  if RbConfig::CONFIG['ruby_install_name'] == 'rbx'
+    gem.add_development_dependency 'racc'
+    gem.add_development_dependency 'rubysl'
+    gem.add_development_dependency 'rubysl-test-unit'
+  end
 end