diff --git a/pyproject.toml b/pyproject.toml
index e9fdc41f..454abbc4 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -49,7 +49,7 @@ optional-dependencies.dev = [
     "freezegun==1.5.1",
     "furo==2024.8.6",
     "interrogate==1.7.0",
-    "mypy==1.12.0",
+    "mypy==1.12.1",
     "pre-commit==4.0.1",
     "pydocstyle==6.3",
     "pyenchant==3.3.0rc1",