diff --git a/requirements_dev.txt b/requirements_dev.txt
index 0f31a07..6dfe041 100644
--- a/requirements_dev.txt
+++ b/requirements_dev.txt
@@ -13,6 +13,6 @@ pytest-vcr==1.0.2
 Sphinx==4.1.0
 sphinx-autobuild==2021.3.14
 sphinx_gallery==0.9.0
-tox==3.23.1
+tox==4.13.0
 twine==3.4.1
 wheel==0.36.2