diff --git a/requirements-dev.txt b/requirements-dev.txt
index e86fe1b..e4309de 100644
--- a/requirements-dev.txt
+++ b/requirements-dev.txt
@@ -9,7 +9,7 @@ pip==22.0.4
 pydocstyle==6.1.1
 setuptools==62.1.0
 sphinx==4.5.0
-tox==3.25.0
+tox==4.3.5
 virtualenv==20.14.1
 watchdog==2.1.7
 wheel==0.37.1
\ No newline at end of file