diff --git a/pyproject.toml b/pyproject.toml
index 6eb7841..c9b4b38 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -19,6 +19,7 @@ classifiers = [
   "Natural Language :: English",
   "Programming Language :: Python :: 3.11",
   "Programming Language :: Python :: 3.12",
+  "Programming Language :: Python :: 3.13",
   "Programming Language :: Python :: 3",
   "Topic :: Software Development :: Libraries :: Python Modules",
 ]