diff --git a/setup.py b/setup.py
index d9041af5..c89b0b09 100755
--- a/setup.py
+++ b/setup.py
@@ -42,6 +42,7 @@ CLASSIFIERS      = [ 'Intended Audience :: Developers',
                      'Programming Language :: Python :: 2.7',
                      'Programming Language :: Python :: 3.1',
                      'Programming Language :: Python :: 3.2',
+                     'Programming Language :: Python :: 3.3',
                      'Topic :: Software Development :: Libraries :: Python Modules',
                    ]