diff --git a/pyproject.toml b/pyproject.toml
index 09c70ef..5af9c8d 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -60,7 +60,7 @@ test = [
 lint = [
     "radon==6.0.1",
     "xenon==0.9.3",
-    "mypy==1.20.2",
+    "mypy==2.1.0",
     "ruff==0.15.12",
     "pylint==4.0.5",
     "bandit==1.9.4",