diff --git a/pyproject.toml b/pyproject.toml
index c13e97d..e3125ce 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -31,7 +31,7 @@ test = [
   "black==24.4.2",
   "codespell==2.3.0",
   "isort==5.13.2",
-  "mypy==1.11.2",
+  "mypy==1.20.0",
   "pre-commit==3.8.0",
   "pre-commit-hooks==4.6.0",
   "pylint==3.3.1",