diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index ccff13a13a325..10c14bdbc8026 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -746,6 +746,7 @@ jobs:
         id: slack
         uses: slackapi/slack-github-action@485a9d42d3a73031f12ec201c457e2162c45d02d  # v2.0.0
         with:
+          method: chat.postMessage
           token: ${{ env.SLACK_BOT_TOKEN }}
           # yamllint disable rule:line-length
           payload: |