diff --git a/requirements.txt b/requirements.txt
index 71a33b2..a482cc1 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,5 +1,5 @@
 flit>=3.12.0
-tox>=4.31.0
+tox>=4.53.0
 pytest>=8.0.0
 mdformat >=0.7.0
 mdit_py_plugins >=0.4.0