diff --git a/block-kit/requirements.txt b/block-kit/requirements.txt
index 0c88b4a..408184b 100644
--- a/block-kit/requirements.txt
+++ b/block-kit/requirements.txt
@@ -1,4 +1,4 @@
 mypy==1.19.1
 pytest==9.0.2
 ruff==0.15.0
-slack_sdk==3.39.0
+slack_sdk==3.40.0