diff --git a/.github/workflows/upgrade-python-requirements.yml b/.github/workflows/upgrade-python-requirements.yml
index cab1e7e9..0c23aea9 100644
--- a/.github/workflows/upgrade-python-requirements.yml
+++ b/.github/workflows/upgrade-python-requirements.yml
@@ -53,7 +53,7 @@ jobs:
           --user-reviewers="" --team-reviewers="2u-enterprise-titans" --delete-old-pull-requests
       - name: Send failure notification
         if: ${{ failure() }}
-        uses: dawidd6/action-send-mail@2cea9617b09d79a095af21254fbcb7ae95903dde # v3.12.0
+        uses: dawidd6/action-send-mail@03a02a49409134de07636216fb379a026c52991e # v21
         with:
           server_address: email-smtp.us-east-1.amazonaws.com
           server_port: 465