cached_resource.gemspec in cached_resource-2.1.3 vs cached_resource.gemspec in cached_resource-2.2.0

@@ -17,8 +17,9 @@
   s.require_paths = ["lib"]
 
   s.add_dependency "rake"
   s.add_dependency "activeresource"
   s.add_dependency "activesupport"
+  s.add_dependency "nilio"
 
   s.add_development_dependency "rspec"
 end