diff --git a/pyproject.toml b/pyproject.toml
index 04fb3320..6f2661d5 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -22,6 +22,7 @@ classifiers = [
     'Programming Language :: Python :: 3.10',
     'Programming Language :: Python :: 3.11',
     'Programming Language :: Python :: 3.12',
+    'Programming Language :: Python :: 3.13',
     'Environment :: Web Environment',
     'Framework :: AsyncIO',
 ]