diff --git a/requirements/dev.txt b/requirements/dev.txt
index 777473912..300cd4daf 100644
--- a/requirements/dev.txt
+++ b/requirements/dev.txt
@@ -8,6 +8,6 @@ lingva==5.0.4
 pre-commit==3.8.0
 pygithub==2.4.0
 ruff==0.6.5
-tox==4.19.0
+tox==4.20.0
 urllib3>=2.2.2 # not directly required, pinned by Snyk to avoid a vulnerability
 zipp>=3.19.1 # not directly required, pinned by Snyk to avoid a vulnerability