diff --git a/setup.cfg b/setup.cfg
index 94064c12..8c22b9c2 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -18,6 +18,7 @@ classifier =
     Programming Language :: Python :: 2.7
     Programming Language :: Python :: 3
     Programming Language :: Python :: 3.5
+    Programming Language :: Python :: 3.6
     Topic :: Internet :: Name Service (DNS)
 
 [global]