diff --git a/.github/workflows/test-slack-message.yml b/.github/workflows/test-slack-message.yml
index ba31881ca..99e55e82c 100644
--- a/.github/workflows/test-slack-message.yml
+++ b/.github/workflows/test-slack-message.yml
@@ -15,10 +15,11 @@ jobs:
         uses: slackapi/slack-github-action@e28cf165c92ffef168d23c5c9000cffc8a25e117
         env:
           SLACK_WEBHOOK_URL: ${{ secrets.SLACK_WEBHOOK_URL }}
+          SLACK_WEBHOOK_TYPE: INCOMING_WEBHOOK
         with:
           # The following message update step does not accept a channel name.
           # Setting a channel ID here for consistency is highly recommended.
-          channel-id: 'C0188MENU2J'
+          channel-id: 'C0188MENU2J,C4W4Q9FR9'
           payload: |
             {
               "text": "Hello from STS4 Github Repo",