diff --git a/requirements/testing.txt b/requirements/testing.txt
index 0845c0cef..623ba0aef 100644
--- a/requirements/testing.txt
+++ b/requirements/testing.txt
@@ -7,6 +7,6 @@ pytest-cov==5.0.0
 pytest-icdiff==0.9
 ruff==0.4.2
 setuptools==69.5.1
-tox==4.14.2
+tox==4.15.0
 tox-gh-actions==3.2.0
 mypy==1.10.0