diff --git a/setup.py b/setup.py
index 6d6795ef..18890f07 100644
--- a/setup.py
+++ b/setup.py
@@ -59,7 +59,7 @@
             "pytest<7.3",
             "pytest-cov==4.0.0",
             "testfixtures==7.0.4",
-            "tox==4.3.1",
+            "tox==4.3.3",
             "flake8==6.0.0",
             "flake8-docstrings==1.6.0",
             "aioresponses==0.7.4",