diff --git a/tests/requirements.txt b/tests/requirements.txt
index cdaa3090312ea0bbb4262c0d10e7361c20e349e7..b68aadb34ccef914afa92898f42b95ea406e145b 100644
--- a/tests/requirements.txt
+++ b/tests/requirements.txt
@@ -7,6 +7,6 @@ molecule==24.9.0
 molecule-plugins[vagrant]==23.5.3
 pytest-testinfra==10.1.1
 python-vagrant==1.0.0
-tox==4.20.0
+tox==4.21.2
 tzdata==2024.2
 yamllint==1.35.1