diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index dbf33fd7..15865eae 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -409,7 +409,7 @@ jobs:
     if: ${{ !cancelled() }}
     steps:
     - if: ${{ contains(needs.*.result, 'failure') && github.repository == 'leanprover/lean4' && github.ref_name == 'master' }}
-      uses: zulip/github-actions-zulip/send-message@v1
+      uses: zulip/github-actions-zulip/send-message@v2
       with:
         api-key: ${{ secrets.ZULIP_BOT_KEY }}
         email: "github-actions-bot@lean-fro.zulipchat.com"