diff --git a/setup.cfg b/setup.cfg
index 42bacb50..20e92905 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -20,6 +20,10 @@ classifier =
     Programming Language :: Python :: 2
     Programming Language :: Python :: 2.6
     Programming Language :: Python :: 2.7
+    Programming Language :: Python :: 3
+    Programming Language :: Python :: 3.2
+    Programming Language :: Python :: 3.3
+    Programming Language :: Python :: Implementation :: PyPy
 
 [global]
 setup-hooks =