diff --git a/setup.py b/setup.py
index 29389685..a81e6880 100755
--- a/setup.py
+++ b/setup.py
@@ -107,6 +107,7 @@ def read_file(name):
                        'Programming Language :: Python :: 3.10',
                        'Programming Language :: Python :: 3.11',
                        'Programming Language :: Python :: 3.12',
+                       'Programming Language :: Python :: 3.13',
                        'Programming Language :: Python :: Implementation :: CPython',
                       ],
           ext_modules=[