diff --git a/setup.cfg b/setup.cfg
index 50dba19d7..ee3f9af84 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -17,6 +17,9 @@ classifier =
     Programming Language :: Python :: 2
     Programming Language :: Python :: 2.7
     Programming Language :: Python :: 2.6
+    Programming Language :: Python :: 3
+    Programming Language :: Python :: 3.3
+    Programming Language :: Python :: 3.4
 
 [files]
 packages =