diff --git a/pyproject.toml b/pyproject.toml
index 86eb5cd..8b48e4f 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -62,7 +62,7 @@ dependencies = [
 [project.optional-dependencies]
 develop = [
   "black<25",
-  "mypy<1.12",
+  "mypy<1.15",
   "poethepoet<1",
   "pyproject-fmt<2.6",
   "ruff<0.6",