diff --git a/pyproject.toml b/pyproject.toml
index 5401bd03a533..cb6eedcb2f21 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -24,6 +24,7 @@ classifiers = [
   "Programming Language :: Python :: 3.10",
   "Programming Language :: Python :: 3.11",
   "Programming Language :: Python :: 3.12",
+  "Programming Language :: Python :: 3.13",
   "Programming Language :: Python :: 3 :: Only",
   "Topic :: Software Development :: Quality Assurance",
   "Topic :: Software Development :: Testing",