diff --git a/requirements/tox.txt b/requirements/tox.txt
index 7c4ec959..eecc2af2 100644
--- a/requirements/tox.txt
+++ b/requirements/tox.txt
@@ -1,3 +1,3 @@
 -r ./coverage.txt
-tox==4.16.0
+tox==4.18.1
 tox-gh-actions==3.2.0