diff --git a/pyproject.toml b/pyproject.toml
index 64c69df..15d92a7 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -25,6 +25,7 @@ classifiers = [
   "Programming Language :: Python :: 3.10",
   "Programming Language :: Python :: 3.11",
   "Programming Language :: Python :: 3.12",
+  "Programming Language :: Python :: 3.13",
   "Topic :: Internet :: WWW/HTTP",
   "Topic :: Internet :: WWW/HTTP :: Dynamic Content",
 ]