diff --git a/setup.py b/setup.py
index ebfa3afea50ef5e16cb9ccdeda8022dac84d3876..44e3412819be89bd961b25980231f2ade676d0ba 100644
--- a/setup.py
+++ b/setup.py
@@ -104,6 +104,7 @@ setup(
         'License :: OSI Approved :: Apache Software License',
         'Programming Language :: Python :: 3.7',
         'Programming Language :: Python :: 3.8',
+        'Programming Language :: Python :: 3.9',
         'Topic :: Software Development :: Libraries :: Python Modules'],
 
     packages=packages,