diff --git a/requirements_test.txt b/requirements_test.txt
index 5a32c43..298a950 100644
--- a/requirements_test.txt
+++ b/requirements_test.txt
@@ -6,6 +6,6 @@ pytest-cov==6.0.0
 pytest-sugar==1.0.0
 pytest-timeout==2.3.1
 ruff==0.8.0
-tox==4.23.2
+tox==4.26.0
 restructuredtext-lint==1.4.0
 pygments==2.18.0