diff --git a/setup.py b/setup.py
index 6a3d960..97c6f3c 100644
--- a/setup.py
+++ b/setup.py
@@ -27,5 +27,6 @@
         "Programming Language :: Python :: 3.6",
         "Programming Language :: Python :: 3.7",
         "Programming Language :: Python :: 3.8",
+        "Programming Language :: Python :: 3.9",
     ],
 )