middleman.gemspec in middleman-2.0.0.beta3 vs middleman.gemspec in middleman-2.0.0.beta4

@@ -34,9 +34,10 @@
   s.add_runtime_dependency("compass", ["0.11.2"])
   s.add_runtime_dependency("compass-susy-plugin", ["~> 0.9.0"])
   s.add_runtime_dependency("coffee-script", ["~> 2.2.0"])
   s.add_runtime_dependency("httparty", ["~> 0.7.0"])
   s.add_development_dependency("cucumber", ["~> 0.10.0"])
+  s.add_development_dependency("rake", ["0.8.7"])
   s.add_development_dependency("rspec", [">= 0"])
   s.add_development_dependency("rocco", [">= 0"]) unless defined?(JRUBY_VERSION)
 end