diff --git a/setup.cfg b/setup.cfg
index e7b2cbf0..208a67d2 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -22,6 +22,7 @@ classifier =
     Programming Language :: Python :: 3.10
     Programming Language :: Python :: 3.11
     Programming Language :: Python :: 3.12
+    Programming Language :: Python :: 3.13
 
 [files]
 packages =