diff --git a/pyproject.toml b/pyproject.toml
index 280acd8..ba5618c 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -55,7 +55,7 @@ dependencies = [
 [project.optional-dependencies]
 develop = [
   "black<25",
-  "mypy<1.11",
+  "mypy<1.12",
   "poethepoet<0.27",
   "pyproject-fmt<1.9",
   "ruff<0.5",