diff --git a/pyproject.toml b/pyproject.toml
index bee9aff1..743b5856 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -92,7 +92,7 @@ isort = "5.13.2"
 autopep8 = "2.3.1"
 mypy = "1.11.2"
 bandit = "1.7.9"
-tox = "4.18.1"
+tox = "4.20.0"
 # min version required to be able to install some dependencies
 # see https://github.com/MichaelKim0407/flake8-use-fstring/issues/33
 setuptools = ">= 47.0.0"