diff --git a/ai/slackbot-mcp-client/slack-identity/requirements.txt b/ai/slackbot-mcp-client/slack-identity/requirements.txt
index 4ddf34e..e926590 100644
--- a/ai/slackbot-mcp-client/slack-identity/requirements.txt
+++ b/ai/slackbot-mcp-client/slack-identity/requirements.txt
@@ -2,7 +2,7 @@ httpx2==2.4.0
 mcp==1.28.0
 mypy==2.1.0
 pytest==9.1.1
-ruff==0.15.17
+ruff==0.15.18
 slack_bolt==1.28.0
 slack_cli_hooks==0.3.0
 slack_sdk==3.42.0