diff --git a/setup.cfg b/setup.cfg
index 88439d0..e356632 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -23,6 +23,7 @@ classifier =
     Programming Language :: Python :: 3
     Programming Language :: Python :: 3.6
     Programming Language :: Python :: 3.7
+    Programming Language :: Python :: 3.8
     Topic :: Internet :: WWW/HTTP
 keywords =
     horizon