diff --git a/setup.py b/setup.py
index ef293842..3ed89634 100644
--- a/setup.py
+++ b/setup.py
@@ -104,6 +104,7 @@ setup(
         'Programming Language :: Python',
         'Programming Language :: Python :: 2.6',
         'Programming Language :: Python :: 2.7',
+        'Programming Language :: Python :: 3.3',
         'Topic :: Internet :: WWW/HTTP :: Dynamic Content',
         'Topic :: Software Development :: Libraries :: Python Modules'
     ],