diff --git a/tox.ini b/tox.ini
index 5ba7bb92d..0b75f011d 100644
--- a/tox.ini
+++ b/tox.ini
@@ -28,7 +28,7 @@ commands =
 [testenv:pep8]
 deps =
   {[testenv]deps}
-  mypy==1.13.0
+  mypy==1.14.1
 commands =
   flake8
   bash {toxinidir}/tools/check_samples.sh