diff --git a/setup.py b/setup.py
index 07048b3fa..7a7dbe83e 100755
--- a/setup.py
+++ b/setup.py
@@ -135,5 +135,8 @@ setup(
         'Environment :: Web Environment',
         'Programming Language :: Python :: 2',
         'Programming Language :: Python :: 2.7',
+        'Programming Language :: Python :: 3',
+        'Programming Language :: Python :: 3.4',
+        'Programming Language :: Python :: 3.5',
     ],
 )