diff --git a/requirements_dev.txt b/requirements_dev.txt
index c3c0f37..8bda525 100644
--- a/requirements_dev.txt
+++ b/requirements_dev.txt
@@ -3,7 +3,7 @@ bumpversion==0.6.0
 wheel==0.42.0
 watchdog==4.0.0
 flake8==6.1.0
-tox==4.12.1
+tox==4.13.0
 coverage==7.4.1
 cryptography==41.0.7
 Sphinx==7.2.6