diff --git a/.github/workflows/cron.yml b/.github/workflows/cron.yml
index 80301342..797e24e3 100644
--- a/.github/workflows/cron.yml
+++ b/.github/workflows/cron.yml
@@ -55,7 +55,7 @@ jobs:
       - name: Post to a Slack channel
         id: slack
         if: failure()
-        uses: slackapi/slack-github-action@37ebaef184d7626c5f204ab8d3baff4262dd30f0 # pin@v1.27.0
+        uses: slackapi/slack-github-action@485a9d42d3a73031f12ec201c457e2162c45d02d # pin@v2.0.0
         with:
           # Slack channel id, channel name, or user id to post message.
           # See also: https://api.slack.com/methods/chat.postMessage#channels