diff --git a/setup.py b/setup.py
index 744df76..8a28c86 100644
--- a/setup.py
+++ b/setup.py
@@ -23,6 +23,7 @@
         "Programming Language :: Python :: 3.10",
         "Programming Language :: Python :: 3.11",
         "Programming Language :: Python :: 3.12",
+        "Programming Language :: Python :: 3.13",
         "Programming Language :: Python :: Implementation :: PyPy",
         "Programming Language :: Python :: Implementation :: CPython",
     ],