diff --git a/pyproject.toml b/pyproject.toml
index e4cbe15..4e441f0 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -28,7 +28,7 @@ dependencies = [
 [project.optional-dependencies]
 test = [
     "ruff>=0.2.0",
-    "mypy==1.11.2",
+    "mypy==1.12.1",
     "pre-commit==3.8.0",
     "pytest-cov==5.0.0",
     "pytest-mock<3.14.1",