diff --git a/.github/workflows/MERGE_MAIN_TO_DEVELOP.yml b/.github/workflows/MERGE_MAIN_TO_DEVELOP.yml
index a67bb972..70436764 100644
--- a/.github/workflows/MERGE_MAIN_TO_DEVELOP.yml
+++ b/.github/workflows/MERGE_MAIN_TO_DEVELOP.yml
@@ -25,9 +25,10 @@ jobs:
 
     - name: Notify failure on Slack
       if: failure()
-      uses: slackapi/slack-github-action@v2.0.0
+      uses: slackapi/slack-github-action@v2
       with:
-        channel-id: ${{ secrets.SLACK_CHANNEL_ID }}
-        slack-message: "Automatic merge of <https://github.com/${{ github.repository }}/tree/${{ github.ref }}|${{ github.ref }}> to <https://github.com/${{ github.repository }}/tree/develop|${{ github.repository }}#develop> failed."
-      env:
-        SLACK_BOT_TOKEN: ${{ secrets.SLACK_BOT_TOKEN }}
+        method: chat.postMessage
+        token: ${{ secrets.SLACK_BOT_TOKEN }}
+        payload: |
+          channel: ${{ secrets.SLACK_CHANNEL_ID }}
+          text: "Automatic merge of <https://github.com/${{ github.repository }}/tree/${{ github.ref }}|${{ github.ref }}> to <https://github.com/${{ github.repository }}/tree/develop|${{ github.repository }}#develop> failed."