diff --git a/python/pyproject.toml b/python/pyproject.toml
index 52514a03..4ce813c0 100644
--- a/python/pyproject.toml
+++ b/python/pyproject.toml
@@ -31,6 +31,7 @@ classifiers = [
   "Programming Language :: Python :: 3.10",
   "Programming Language :: Python :: 3.11",
   "Programming Language :: Python :: 3.12",
+  "Programming Language :: Python :: 3.13",
 ]
 dependencies = [
   "cffi>=1.15.1",