diff --git a/pyproject.toml b/pyproject.toml
index c267f05..7eb93fd 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -34,7 +34,7 @@ docs = [
     "pdoc==16.0.0",
 ]
 lint = [
-    "mypy==2.3.0",
+    "mypy==2.3.1",
     "pre-commit==4.6.2",
     "ruff==0.16.3",
 ]