diff --git a/setup.py b/setup.py
index 76733587..48648595 100644
--- a/setup.py
+++ b/setup.py
@@ -239,6 +239,7 @@ def has_ext_modules(self):
             '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',
             'Programming Language :: Python :: Implementation :: PyPy',
             'License :: OSI Approved :: MIT License',