diff --git a/setup.py b/setup.py
index e5dfd16..1e23c3c 100644
--- a/setup.py
+++ b/setup.py
@@ -34,6 +34,7 @@ setup(
         "Programming Language :: Python :: 3.8",
         "Programming Language :: Python :: 3.9",
         "Programming Language :: Python :: 3.10",
+        "Programming Language :: Python :: 3.11",
     ],
     keywords="plone discussion",
     author="Timo Stollenwerk - Plone Foundation",