diff --git a/pyproject.toml b/pyproject.toml
index 53e6066..7b443b3 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -29,7 +29,7 @@ dependencies = [
 ]
 [project.optional-dependencies]
 test = [
-  "mypy==1.12.*",
+  "mypy==1.13.*",
   "pytest>=8,<9",
   "pytest-cov",
   "pytest-asyncio==0.24.0",