diff --git a/setup.py b/setup.py
index 2a8783beef..e2d892391a 100644
--- a/setup.py
+++ b/setup.py
@@ -92,6 +92,7 @@
         "Programming Language :: Python :: 3.6",
         "Programming Language :: Python :: 3.7",
         "Programming Language :: Python :: 3.8",
+        "Programming Language :: Python :: 3.9",
         "Operating System :: OS Independent",
         "Topic :: Internet",
     ],