diff --git a/pyproject.toml b/pyproject.toml
index 5f9df916..8b6fba2c 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -25,7 +25,7 @@ dependencies = [
 test = [
   "black==23.3.0",
   "codespell==2.2.5",
-  "mypy==1.3.0",
+  "mypy==1.4.1",
   "ruff==0.0.278",
   "pre-commit==3.3.3"
 ]