diff --git a/setup.py b/setup.py
index 9ed6491..371895a 100644
--- a/setup.py
+++ b/setup.py
@@ -51,5 +51,6 @@ setup(
         "Programming Language :: Python :: 3.6",
         "Programming Language :: Python :: 3.7",
         "Programming Language :: Python :: 3.8",
+        "Programming Language :: Python :: 3.9",
     ],
 )