diff --git a/requirements/pkgutils.txt b/requirements/pkgutils.txt
index 214a2ca..4361a13 100644
--- a/requirements/pkgutils.txt
+++ b/requirements/pkgutils.txt
@@ -1,7 +1,7 @@
 setuptools>=59.2.0
 wheel>=0.37.0
 flake8>=7.3.0
-tox>=4.30.3
+tox>=4.56.1
 sphinx2rst>=1.1.0
 bumpversion
 pydocstyle