diff --git a/block-kit/requirements.txt b/block-kit/requirements.txt
index b2d5b70..28503cf 100644
--- a/block-kit/requirements.txt
+++ b/block-kit/requirements.txt
@@ -1,4 +1,4 @@
 mypy==2.1.0
 pytest==9.1.1
 ruff==0.15.20
-slack_sdk==3.42.0
+slack_sdk==3.43.0