diff --git a/setup.py b/setup.py
index 0792801ae..9cf4ceb66 100644
--- a/setup.py
+++ b/setup.py
@@ -146,6 +146,7 @@ def get_extra_require():
         'Programming Language :: Python :: 3.6',
         'Programming Language :: Python :: 3.7',
         'Programming Language :: Python :: 3.8',
+        'Programming Language :: Python :: 3.9',
     ],
     install_requires=get_extra_require()
 )