diff --git a/.github/workflows/nightly.yml b/.github/workflows/nightly.yml
index 8ce8b499..5830a268 100644
--- a/.github/workflows/nightly.yml
+++ b/.github/workflows/nightly.yml
@@ -78,7 +78,7 @@ jobs:
     
     - name: Send email on failure
       if: failure()
-      uses: firebase/firebase-admin-node/.github/actions/send-email@2279070bcea42f380b44b58acc576cbd63ebd0ee # Admin Node SDK v13.7.0
+      uses: firebase/firebase-admin-node/.github/actions/send-email@0efb21f1648c46078e2fd519932def708c8ac6fd # Admin Node SDK v13.9.0
       with:
         api-key: ${{ secrets.OSS_BOT_MAILGUN_KEY }}
         domain: ${{ secrets.OSS_BOT_MAILGUN_DOMAIN }}
@@ -93,7 +93,7 @@ jobs:
 
     - name: Send email on cancelled
       if: cancelled()
-      uses: firebase/firebase-admin-node/.github/actions/send-email@2279070bcea42f380b44b58acc576cbd63ebd0ee # Admin Node SDK v13.7.0
+      uses: firebase/firebase-admin-node/.github/actions/send-email@0efb21f1648c46078e2fd519932def708c8ac6fd # Admin Node SDK v13.9.0
       with:
         api-key: ${{ secrets.OSS_BOT_MAILGUN_KEY }}
         domain: ${{ secrets.OSS_BOT_MAILGUN_DOMAIN }}