diff --git a/.github/workflows/check_cirrus_cron.yml b/.github/workflows/check_cirrus_cron.yml
index c38574e366..47aa39fcad 100644
--- a/.github/workflows/check_cirrus_cron.yml
+++ b/.github/workflows/check_cirrus_cron.yml
@@ -66,7 +66,7 @@ jobs:
 
             - if: failure()
               name: Send error notification e-mail
-              uses: dawidd6/action-send-mail@3.7.1
+              uses: dawidd6/action-send-mail@v3.7.1
               with:
                 server_address: ${{secrets.ACTION_MAIL_SERVER}}
                 server_port: 465