diff --git a/requirements/testing.txt b/requirements/testing.txt
index 6f0a056b..c6dd28ce 100644
--- a/requirements/testing.txt
+++ b/requirements/testing.txt
@@ -9,5 +9,5 @@ pytest==6.2.4
 pytest-cov==2.12.1
 pytest-timeout==1.4.2
 setuptools==58.0.0
-tox==3.24.2
+tox==3.24.3
 twine==3.4.2