diff --git a/test-requirements.txt b/test-requirements.txt
index bc3330e..a050033 100644
--- a/test-requirements.txt
+++ b/test-requirements.txt
@@ -1,6 +1,6 @@
 pytest >= 7.2.1
 pytest-cov >= 2.8.1
-tox >= 3.9.0
+tox >= 4.25.0
 flake8 >= 5.0.4
 types-python-dateutil >= 2.8.19.14
 mypy >= 1.14.1