diff --git a/dev-requirements.txt b/dev-requirements.txt
index d65049019..b49896c69 100644
--- a/dev-requirements.txt
+++ b/dev-requirements.txt
@@ -24,7 +24,7 @@ pytest-dotenv~=0.5.2
 pytest-logbook~=1.2
 pytest-xdist~=3.3
 pytz~=2023.3
-tox~=4.8
+tox~=4.9
 types-pytz~=2023.3
 types-requests~=2.31
 twine~=4.0