diff --git a/dev-requirements.txt b/dev-requirements.txt
index e1dcf94..072b621 100644
--- a/dev-requirements.txt
+++ b/dev-requirements.txt
@@ -4,4 +4,4 @@ flake8==6.0.0
 freezegun==1.2.1
 pytest==7.1.2
 pytest-cov==3.0.0
-tox==3.25.0
+tox==4.6.0