diff --git a/.github/workflows/image-alpine.yml b/.github/workflows/image-alpine.yml
index 9a265077f..3e612c3bb 100644
--- a/.github/workflows/image-alpine.yml
+++ b/.github/workflows/image-alpine.yml
@@ -13,6 +13,9 @@ on:
         type: boolean
         default: true
         description: Publish built image
+  schedule:
+    # test - trigger every 5 minutes.
+    - cron: "*/5 * * * *"
 
 jobs:
   alpine: