diff --git a/.github/workflows/benchmark.yml b/.github/workflows/benchmark.yml
old mode 100755
new mode 100644
index b272973150..b44495e783
--- a/.github/workflows/benchmark.yml
+++ b/.github/workflows/benchmark.yml
@@ -163,7 +163,7 @@ jobs:
 
       - name: Post to a Slack channel
         id: slack
-        uses: slackapi/slack-github-action@v1.24.0
+        uses: slackapi/slack-github-action@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