diff --git a/pyproject.toml b/pyproject.toml
index 40a9e7e..3c96793 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -205,7 +205,7 @@ dev = [
     "doc8==1.1.1",
     "freezegun==1.2.2",
     "furo==2023.5.20",
-    "mypy==1.3.0",
+    "mypy==1.4.1",
     "pdm==2.7.4",
     "pip_check_reqs==2.4.4",
     "pylint==2.17.4",