diff --git a/requirements_dev.txt b/requirements_dev.txt
index 34ca45a..882c490 100644
--- a/requirements_dev.txt
+++ b/requirements_dev.txt
@@ -3,7 +3,7 @@ bumpversion==0.6.0
 wheel==0.38.4
 watchdog==3.0.0
 flake8==5.0.4
-tox==3.26.0
+tox==4.4.8
 coverage==7.2.2
 cryptography==40.0.1
 Sphinx==5.3.0