diff --git a/lib/rb/Rakefile b/lib/rb/Rakefile
index 8f1c4fe..9dc8324 100644
--- a/lib/rb/Rakefile
+++ b/lib/rb/Rakefile
@@ -48,6 +48,8 @@
   task :'namespaced_spec' do
     dir = File.dirname(__FILE__) + '/spec'
     sh THRIFT, '--gen', 'rb:namespaced', '-recurse', '-o', dir, "#{dir}/ThriftNamespacedSpec.thrift"
+    sh THRIFT, '--gen', 'rb:namespaced', '-recurse', '-o', dir, "#{dir}/BaseService.thrift"
+    sh THRIFT, '--gen', 'rb:namespaced', '-recurse', '-o', dir, "#{dir}/ExtendedService.thrift"
   end
 
   task :'flat_spec' do