diff --git a/requirements_dev.txt b/requirements_dev.txt
index 583d486..8f64111 100644
--- a/requirements_dev.txt
+++ b/requirements_dev.txt
@@ -9,6 +9,6 @@ pytest==7.1.2
 pytest-cov==3.0.0
 pytest-mock==3.8.2
 Sphinx==5.1.1
-tox==3.25.1
+tox==4.4.6
 twine==4.0.1
 wheel==0.37.1