diff --git a/.github/workflows/pull-request.yml b/.github/workflows/pull-request.yml
index fe06854..b1f2ce9 100644
--- a/.github/workflows/pull-request.yml
+++ b/.github/workflows/pull-request.yml
@@ -354,7 +354,7 @@ jobs:
     if: ${{ always() && github.repository == 'NHSDigital/mesh-client' && github.actor == 'dependabot[bot]' && contains(needs.*.result, 'failure') }}
     steps:
       - name: Slack Notification
-        uses: slackapi/slack-github-action@91efab103c0de0a537f72a35f6b8cda0ee76bf0a
+        uses: slackapi/slack-github-action@af78098f536edbc4de71162a307590698245be95
         with:
           webhook: ${{ secrets.DEPENDABOT_SLACK_WEBHOOK_URL }}
           webhook-type: incoming-webhook