diff --git a/requirements-dev.txt b/requirements-dev.txt
index cd41be4..6999a48 100644
--- a/requirements-dev.txt
+++ b/requirements-dev.txt
@@ -10,7 +10,7 @@ flake8==6.0.0
 ipdb==0.13.13
 isort==5.12.0
 matplotlib==3.7.1
-mypy==1.1.1
+mypy==1.4.1
 numpy==1.24.2
 pep8-naming==0.13.3
 pyroma==4.2