diff --git a/requirements-dev.txt b/requirements-dev.txt
index e74ee5e..607b6e2 100644
--- a/requirements-dev.txt
+++ b/requirements-dev.txt
@@ -2,6 +2,6 @@ black[typed-ast]==23.7.0
 bumpversion~=0.6.0
 flake8~=6.1.0
 isort~=5.12.0
-mypy==1.4.1
+mypy==1.5.1
 pytest-cov~=4.1.0
 pytest>=4.6.0