diff --git a/setup.cfg b/setup.cfg
index bc58d750a..98ca0270f 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -14,7 +14,10 @@ classifier =
     License :: OSI Approved :: Apache Software License
     Operating System :: OS Independent
     Programming Language :: Python
+    Programming Language :: Python :: 2
     Programming Language :: Python :: 2.7
+    Programming Language :: Python :: 3
+    Programming Language :: Python :: 3.4
 
 [files]
 packages =