diff --git a/setup.py b/setup.py
index 6a037a9e5..9a92fe17b 100644
--- a/setup.py
+++ b/setup.py
@@ -121,5 +121,6 @@ setup(
         "Programming Language :: Python :: 3.6",
         "Programming Language :: Python :: 3.7",
         "Programming Language :: Python :: 3.8",
+        "Programming Language :: Python :: 3.9",
     ],
 )