diff --git a/pyproject.toml b/pyproject.toml
index 9886a584..8b899b8c 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -93,7 +93,7 @@ autopep8 = "2.3.2"
 mypy = "1.15.0"
 bandit = "1.8.3"
 tomli = { version = "^2.0.1", python = "<3.11" }
-tox = "4.25.0"
+tox = "4.26.0"
 
 # min version required to be able to install some dependencies
 # see https://github.com/MichaelKim0407/flake8-use-fstring/issues/33