diff --git a/pyproject.toml b/pyproject.toml
index 1ab5ea0..1e719f6 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -59,7 +59,7 @@ dependencies = [
 [project.optional-dependencies]
 develop = [
   "black<25",
-  "mypy==1.9.0",
+  "mypy==1.10.0",
   "poethepoet<1",
   "pyproject-fmt<1.9",
   "ruff==0.3.4",