diff --git a/pyproject.toml b/pyproject.toml
index 5aab0fc..ee39247 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -105,7 +105,7 @@ dependencies = [
 [project.optional-dependencies]
 develop = [
   "hunter<4",
-  "mypy<1.11",
+  "mypy<1.12",
   "poethepoet<0.28",
   "pyproject-fmt<2.2",
   "ruff<0.6",