diff --git a/pyproject.toml b/pyproject.toml
index 130c814..1be84c6 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -87,7 +87,7 @@ dependencies = [
 [project.optional-dependencies]
 develop = [
   "black<25",
-  "mypy<1.11",
+  "mypy<1.12",
   "poethepoet<1",
   "pyproject-fmt<2.2",
   "ruff<0.6",