diff --git a/setup.py b/setup.py
index 91ccb55..221172f 100644
--- a/setup.py
+++ b/setup.py
@@ -32,6 +32,7 @@
         'Programming Language :: Python :: 3.6',
         'Programming Language :: Python :: 3.7',
         'Programming Language :: Python :: 3.8',
+        'Programming Language :: Python :: 3.9',
         'Topic :: System',
         'Topic :: System :: Filesystems',
         'Topic :: Utilities'],