Gemfile in rack-blogengine-0.1.3 vs Gemfile in rack-blogengine-0.1.4

@@ -1,4 +1,4 @@
 source 'https://rubygems.org'
-
+gem "rubysl", "~> 2.0", :platform => :rbx
 # Specify your gem's dependencies in rack-blogengine.gemspec
 gemspec