diff --git a/requirements-dev.txt b/requirements-dev.txt
index 446ae10..23c31c7 100644
--- a/requirements-dev.txt
+++ b/requirements-dev.txt
@@ -8,7 +8,7 @@ hypothesis>=6.0
 ruff>=0.4
 
 # type checking
-mypy>=1.0
+mypy>=1.19.1
 
 # git hooks
 pre-commit>=3.0