diff --git a/setup.cfg b/setup.cfg
index a2ad0f4c6..3bf3798db 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -16,6 +16,7 @@ classifier =
     Programming Language :: Python
     Programming Language :: Python :: 2
     Programming Language :: Python :: 2.7
+    Programming Language :: Python :: 3.5
 
 [files]
 packages =