diff --git a/requirements_dev.txt b/requirements_dev.txt
index aadd283..91cb442 100644
--- a/requirements_dev.txt
+++ b/requirements_dev.txt
@@ -8,7 +8,7 @@ pytest-homeassistant-custom-component>=0.13.0
 
 # Linting and type checking
 ruff>=0.1.0
-mypy>=1.7.0
+mypy>=1.20.2
 
 # Pre-commit hooks
 pre-commit>=3.5.0