diff --git a/ai/slackbot-mcp-client/no-auth/requirements.txt b/ai/slackbot-mcp-client/no-auth/requirements.txt
index b84a5fe..85b8d81 100644
--- a/ai/slackbot-mcp-client/no-auth/requirements.txt
+++ b/ai/slackbot-mcp-client/no-auth/requirements.txt
@@ -2,7 +2,7 @@ httpx2==2.13.0
 mcp==2.2.0
 mypy==2.3.1
 pytest==9.1.1
-ruff==0.16.7
+ruff==0.16.8
 slack_bolt==1.30.0
 slack_cli_hooks==0.3.0
 slack_sdk==3.44.1