bumping dep versions

noah.gemspec

@@ -22,11 +22,11 @@ Gem::Specification.new do |s|
 
   s.add_dependency("eventmachine", ["1.0.0.beta.3"])
   s.add_dependency("em-http-request", ["1.0.0.beta.3"])
-  s.add_dependency("redis", ["= 2.1.1"])
+  s.add_dependency("redis", ["= 2.2.0"])
   s.add_dependency("nest", ["= 1.1.0"])
-  s.add_dependency("rack", ["= 1.2.1"])
+  s.add_dependency("rack", ["= 1.2.2"])
   s.add_dependency("tilt", ["= 1.2.2"])
-  s.add_dependency("sinatra", ["= 1.2.0"])
+  s.add_dependency("sinatra", ["= 1.2.3"])
   s.add_dependency("ohm", ["= 0.1.3"])
   s.add_dependency("ohm-contrib", ["= 0.1.1"])
   s.add_dependency("haml", ["= 3.0.25"])