diff --git a/.github/workflows/deploy-ecs.yml b/.github/workflows/deploy-ecs.yml
index 2184417..ab80d47 100644
--- a/.github/workflows/deploy-ecs.yml
+++ b/.github/workflows/deploy-ecs.yml
@@ -73,7 +73,7 @@ jobs:
           ecs-service: ${{ inputs.app-name }}-${{ inputs.environment }}
           docker-tag: ${{ steps.build-push.outputs.docker-tag }}
           allow-zero-desired: ${{ inputs.allow-zero-desired && 'true' || 'false' }}
-      - uses: mbta/actions/notify-slack-deploy@d37877022d4ae12e96663d2e0a970a5214a2e232 # v2.20
+      - uses: mbta/actions/notify-slack-deploy@62db3e5c547c3c7f439c4a7fb98e69fc79c1a9cc # v2.21
         if: ${{ !cancelled() }}
         with:
           webhook-url: ${{ secrets.slack-webhook }}