diff --git a/setup.py b/setup.py
index 258c9ee7..4eadee18 100644
--- a/setup.py
+++ b/setup.py
@@ -53,6 +53,9 @@
         'Programming Language :: Python',
         'Programming Language :: Python :: 2.6',
         'Programming Language :: Python :: 2.7',
+        'Programming Language :: Python :: 3',
+        'Programming Language :: Python :: 3.3',
+        'Programming Language :: Python :: 3.4',
     ),
     zip_safe=False,
     tests_require=['mock'],