diff --git a/setup.py b/setup.py
index 84cb858b9087..ded856b0fda5 100644
--- a/setup.py
+++ b/setup.py
@@ -165,6 +165,7 @@ def run(self):
     'Programming Language :: Python :: 3.6',
     'Programming Language :: Python :: 3.7',
     'Programming Language :: Python :: 3.8',
+    'Programming Language :: Python :: 3.9',
     'Topic :: Software Development',
 ]