diff --git a/lib/active_model/serializers/version.rb b/lib/active_model/serializers/version.rb
index e493e964..ece1a5c5 100644
--- a/lib/active_model/serializers/version.rb
+++ b/lib/active_model/serializers/version.rb
@@ -1,5 +1,5 @@
 module ActiveModel
   class Serializer
-    VERSION = "0.5.1"
+    VERSION = "0.5.2"
   end
 end
diff --git a/lib/active_model_serializers.rb b/lib/active_model_serializers.rb
index da4c1780..38f4044e 100644
--- a/lib/active_model_serializers.rb
+++ b/lib/active_model_serializers.rb
@@ -11,6 +11,7 @@ if defined?(Rails)
         app ||= Rails.application # Rails 3.0.x does not yield `app`
 
         Rails::Generators.configure!(app.config.generators)
+        Rails::Generators.hidden_namespaces.uniq!
         require "generators/resource_override"
       end