diff --git a/requirements_dev.txt b/requirements_dev.txt
index cddcc97c5..b98b13d82 100644
--- a/requirements_dev.txt
+++ b/requirements_dev.txt
@@ -2,6 +2,6 @@
 -r requirements_lint.txt
 -r requirements_scripts.txt
 -r requirements_test.txt
-tox==4.20.0
+tox==4.21.2
 
 -e .