diff --git a/setup.cfg b/setup.cfg
index aa1b66c..d54a692 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -20,6 +20,7 @@ classifiers =
     Programming Language :: Python :: 3.10
     Programming Language :: Python :: 3.11
     Programming Language :: Python :: 3.12
+    Programming Language :: Python :: 3.13
     Development Status :: 5 - Production/Stable
     Topic :: Software Development :: Libraries :: Python Modules
     Topic :: Text Processing :: Markup