diff --git a/requirements-dev.txt b/requirements-dev.txt
index c0e6935a..25b42949 100644
--- a/requirements-dev.txt
+++ b/requirements-dev.txt
@@ -1,4 +1,4 @@
 -r requirements.txt
 coverage
 pre-commit==3.5.0
-tox==4.19.0
+tox==4.20.0