diff --git a/setup.py b/setup.py
index 33d35d284..640bac4d9 100755
--- a/setup.py
+++ b/setup.py
@@ -74,6 +74,7 @@ setup(
         'License :: OSI Approved :: BSD License',
         'Operating System :: OS Independent',
         'Programming Language :: Python',
+        'Programming Language :: Python :: 3',
         'Topic :: Internet :: WWW/HTTP',
     ]
 )