diff --git a/setup.py b/setup.py
index 5b6986c..f6280b0 100644
--- a/setup.py
+++ b/setup.py
@@ -52,5 +52,6 @@
         'Programming Language :: Python :: 3.4',
         'Programming Language :: Python :: 3.5',
         'Programming Language :: Python :: 3.6',
+        `Programming Language :: Python :: 3.9',
     ),
 )