diff --git a/pyproject.toml b/pyproject.toml
index 712b9547..c496a295 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -85,7 +85,7 @@ lint = [
   "flake8-pytest-style==1.7.2",
   "flake8-quotes==3.3.2",
   "flake8-use-fstring==1.4",
-  "mypy==1.3.0",
+  "mypy==1.4.0",
   "isort==5.12.0",
   "pytest==7.3.2",
 ]