diff --git a/pyproject.toml b/pyproject.toml
index 50f0f5d..6b16546 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -94,7 +94,7 @@ dependencies = [
 [project.optional-dependencies]
 develop = [
   "black<25",
-  "mypy==1.9.0",
+  "mypy==1.10.0",
   "poethepoet<0.27",
   "pyproject-fmt<1.8",
   "ruff==0.3.5",