diff --git a/block-kit/requirements.txt b/block-kit/requirements.txt
index 39e8041..ff1c40d 100644
--- a/block-kit/requirements.txt
+++ b/block-kit/requirements.txt
@@ -1,4 +1,4 @@
-mypy==1.19.1
+mypy==1.20.0
 pytest==9.0.2
 ruff==0.15.8
 slack_sdk==3.41.0