diff --git a/pyproject.toml b/pyproject.toml
index f450b9e..0bd2eaa 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -29,7 +29,7 @@ dev = [
     "flake8==7.4.1",
     "black==26.10.1",
     "isort==9.0.2",
-    "mypy==2.3.0",
+    "mypy==2.4.0",
 ]
 
 [project.scripts]