diff --git a/.github/workflows/deploy-multiple-accounts.yml b/.github/workflows/deploy-multiple-accounts.yml
index ebe6c0ff..603b2094 100644
--- a/.github/workflows/deploy-multiple-accounts.yml
+++ b/.github/workflows/deploy-multiple-accounts.yml
@@ -227,7 +227,8 @@ jobs:
         id: slack
         uses: slackapi/slack-github-action@v2.0.0
         with:
-          channel-id: ${{ env.ASELO_DEPLOYS_CHANNEL_ID }}
-          slack-message: '`[SERVERLESS PARALLEL DEPLOYMENT]` Serverless helplines ${{ inputs.helplines }} successfully deployed to the following environments: ${{ inputs.environments }} from ${{ github.ref_type }} `${{ github.ref_name }}` requested by `${{ github.triggering_actor }}` with SHA ${{ github.sha }} :rocket:.'
-        env:
-          SLACK_BOT_TOKEN: ${{ env.GITHUB_ACTIONS_SLACK_BOT_TOKEN }}
+          method: chat.postMessage
+          token: ${{ env.GITHUB_ACTIONS_SLACK_BOT_TOKEN }}
+          payload: |
+            channel: ${{ env.ASELO_DEPLOYS_CHANNEL_ID }}
+            text: "`[SERVERLESS PARALLEL DEPLOYMENT]` Serverless helplines ${{ inputs.helplines }} successfully deployed to the following environments: ${{ inputs.environments }} from ${{ github.ref_type }} `${{ github.ref_name }}` requested by `${{ github.triggering_actor }}` with SHA ${{ github.sha }} :rocket:."