diff --git a/pyproject.toml b/pyproject.toml
index 4b230b339..993ec1f64 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -45,7 +45,7 @@ test = [
     "coverage==7.2.7",
     "flake8-docstrings==1.7.0",
     "flake8==6.0.0",
-    "mypy==1.3.0",
+    "mypy==1.4.1",
     "pytest-cov==4.1.0",
     "pytest-xdist==3.3.1",
     "pytest==7.3.1",