diff --git a/requirements-dev.txt b/requirements-dev.txt
index b51ba3c..24c5d2e 100644
--- a/requirements-dev.txt
+++ b/requirements-dev.txt
@@ -1,4 +1,4 @@
-mypy==1.19.1
+mypy==1.20.1
 pre-commit==4.5.1
 pylint==4.0.5
 pytest>=5.4.3