diff --git a/requirements_dev.txt b/requirements_dev.txt
index 4e52cc2..a33f5dc 100644
--- a/requirements_dev.txt
+++ b/requirements_dev.txt
@@ -3,6 +3,6 @@
 -r requirements_mypy.txt
 -r requirements_pypi.txt
 -r requirements_test.txt
-tox==4.14.2
+tox==4.16.0
 
 -e .