diff --git a/.github/workflows/announce-lts-rc.yml b/.github/workflows/announce-lts-rc.yml
index fa449e3406..48f59c4f11 100644
--- a/.github/workflows/announce-lts-rc.yml
+++ b/.github/workflows/announce-lts-rc.yml
@@ -17,7 +17,7 @@ jobs:
           discourse-author-username: jenkins-release-bot
           discourse-category: 23
       - name: Post on mailing list
-        uses: dawidd6/action-send-mail@ba302ba66e88942841281c984a6b31ca6d6289e6 # v11
+        uses: dawidd6/action-send-mail@d38f3f7cd391cdebfe0d38efc3998b935e951c4f # v16
         with:
           server_address: smtp.gmail.com
           server_port: 465