diff --git a/setup.py b/setup.py
index 4c435f9a..653d2728 100755
--- a/setup.py
+++ b/setup.py
@@ -56,6 +56,7 @@ def fread(fn):
         'Programming Language :: Python :: 3.8',
         'Programming Language :: Python :: 3.9',
         'Programming Language :: Python :: 3.10',
+        'Programming Language :: Python :: 3.11',
         'Programming Language :: Python :: 3 :: Only',
         'Programming Language :: Python :: Implementation',
         'Programming Language :: Python :: Implementation :: CPython',