diff --git a/setup.py b/setup.py
index e647ddc1..02891cc3 100644
--- a/setup.py
+++ b/setup.py
@@ -97,6 +97,7 @@ setup(
         "Programming Language :: Python :: 3.7",
         "Programming Language :: Python :: 3.8",
         "Programming Language :: Python :: 3.9",
+        "Programming Language :: Python :: 3.10",
         "Programming Language :: Python :: Implementation :: CPython",
         "Programming Language :: Python :: Implementation :: PyPy",
         "Topic :: Office/Business :: Groupware"])