diff --git a/pyproject.toml b/pyproject.toml
index 0d31608..5357668 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -19,7 +19,7 @@ dependencies = [
 
 [project.optional-dependencies]
 dev = [
-    "mypy>=1.11,<2",
+    "mypy>=2.1.0,<3",
     "pytest>=8,<9",
     "ruff>=0.8,<1",
 ]