diff --git a/.github/workflows/nightlies.yml b/.github/workflows/nightlies.yml
index c7a9292a8f..1238877140 100644
--- a/.github/workflows/nightlies.yml
+++ b/.github/workflows/nightlies.yml
@@ -43,3 +43,14 @@ jobs:
           CLOUDSMITH_API_KEY: ${{ secrets.CLOUDSMITH_API_KEY }}
           TRIPLE_VENDOR: ${{ matrix.triple-vendor }}
           TRIPLE_OS: ${{ matrix.triple-os }}
+      - name: Send alert on failure
+        if: ${{ failure() }}
+        uses: zulip/github-actions-zulip@35d7ad8e98444f894dcfe1d4e17332581d28ebeb
+        with:
+          api-key: ${{ secrets.ZULIP_SCHEDULED_JOB_FAILURE_API_KEY }}
+          email: ${{ secrets.ZULIP_SCHEDULED_JOB_FAILURE_EMAIL }}
+          organization-url: 'https://ponylang.zulipchat.com/'
+          to: notifications
+          type: stream
+          topic: ${{ github.repository }} scheduled job failure
+          content: ${{ github.server_url}}/${{ github.repository }}/actions/runs/${{ github.run_id }} failed.