diff --git a/requirements-dev.txt b/requirements-dev.txt
index 4cf11b99..85d0b0c1 100644
--- a/requirements-dev.txt
+++ b/requirements-dev.txt
@@ -7,7 +7,7 @@ feedparser==6.0.11
 flake8-pyproject
 freezegun==1.4.0
 isort==5.13.2
-mypy==1.8.0
+mypy==1.9.0
 opencv-contrib-python-headless==4.9.0.80
 paste==3.7.1
 pytest==8.1.0