diff --git a/.github/workflows/announce-lts-rc.yml b/.github/workflows/announce-lts-rc.yml
index 2f3c0de4e584..3bfcc95e6f52 100644
--- a/.github/workflows/announce-lts-rc.yml
+++ b/.github/workflows/announce-lts-rc.yml
@@ -16,7 +16,7 @@ jobs:
           discourse-author-username: jenkins-release-bot
           discourse-category: 23
       - name: Post on mailing list
-        uses: dawidd6/action-send-mail@v3
+        uses: dawidd6/action-send-mail@v4
         with:
           server_address: smtp.gmail.com
           server_port: 465