diff --git a/setup.py b/setup.py
index 7983999..7e54f60 100644
--- a/setup.py
+++ b/setup.py
@@ -60,6 +60,7 @@ setup(
         'Programming Language :: Python :: 3.6',
         'Programming Language :: Python :: 3.7',
         'Programming Language :: Python :: 3.8',
+        'Programming Language :: Python :: 3.9',
         'License :: OSI Approved :: Apache Software License',
     ],