diff --git a/requirements-dev.txt b/requirements-dev.txt
index 6cf4ca8c..4b3e75df 100644
--- a/requirements-dev.txt
+++ b/requirements-dev.txt
@@ -58,7 +58,7 @@ toml==0.10.2
     # via
     #   pytest
     #   tox
-tox==3.23.0
+tox==3.23.1
     # via -r requirements-dev.in
 virtualenv==20.4.3
     # via tox