diff --git a/setup.py b/setup.py
index f6e3d103..69ec098a 100755
--- a/setup.py
+++ b/setup.py
@@ -60,7 +60,8 @@
         'Programming Language :: Python :: 3.5',
         'Programming Language :: Python :: 3.6',
         'Programming Language :: Python :: 3.7',
-        'Programming Language :: Python :: 3.8'
+        'Programming Language :: Python :: 3.8',
+        'Programming Language :: Python :: 3.9',
     ],
     project_urls={
         'Documentation': 'https://certifiio.readthedocs.io/en/latest/',