diff --git a/requirements-dev.txt b/requirements-dev.txt
index 9b07e64..c155695 100644
--- a/requirements-dev.txt
+++ b/requirements-dev.txt
@@ -6,5 +6,5 @@ virtualenv==20.4.6
 coverage==5.5
 gitchangelog==3.0.4
 bumpversion==0.6.0
-tox==3.23.0
+tox==3.23.1
 coveralls==3.0.1
\ No newline at end of file