diff --git a/setup.py b/setup.py
index ac187e1df..7c50ce0cb 100644
--- a/setup.py
+++ b/setup.py
@@ -190,6 +190,7 @@ setup(
         "Programming Language :: Python :: 3.6",
         "Programming Language :: Python :: 3.7",
         "Programming Language :: Python :: 3.8",
+        "Programming Language :: Python :: 3.9",
     ],
     packages=find_packages(exclude=["tests"]),
     include_package_data=True,