diff --git a/setup.py b/setup.py
index d3b0d31..f934cef 100644
--- a/setup.py
+++ b/setup.py
@@ -66,6 +66,7 @@ def run(self):
         "Programming Language :: Python :: 3.10",
         "Programming Language :: Python :: 3.11",
         "Programming Language :: Python :: 3.12",
+        "Programming Language :: Python :: 3.13",
         "Topic :: Software Development :: Testing",
     ],
 )