diff --git a/pyproject.toml b/pyproject.toml
index 808152dd..ce9e9404 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -119,6 +119,7 @@ classifiers = [
     "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",
     "Topic :: Internet :: WWW/HTTP :: Session",
 ]