diff --git a/requirements_test.txt b/requirements_test.txt
index 75fb351..717c90a 100644
--- a/requirements_test.txt
+++ b/requirements_test.txt
@@ -6,6 +6,6 @@ pytest-cov==5.0.0
 pytest-sugar==1.0.0
 pytest-timeout==2.3.1
 ruff==0.6.3
-tox==4.18.0
+tox==4.23.0
 restructuredtext-lint==1.4.0
 pygments==2.18.0