diff --git a/.github/workflows/otn-legacy-vs-image-build.yml b/.github/workflows/otn-legacy-vs-image-build.yml
index 6b90b88011dc..19b6bb52f081 100644
--- a/.github/workflows/otn-legacy-vs-image-build.yml
+++ b/.github/workflows/otn-legacy-vs-image-build.yml
@@ -1,6 +1,8 @@
 name: otn-legacy-vs-build
 
 on:
+  schedule:
+    - cron: '0 0 * * 0'
   push:
     branches: [ "otn_legacy" ]
   pull_request:
@@ -37,4 +39,4 @@ jobs:
         name: otn-legacy-artifact
         path: |
           legacy_${{github.run_number}}/sonic-installer.img
-          legacy_${{github.run_number}}/target/*.img.gz
\ No newline at end of file
+          legacy_${{github.run_number}}/target/*.img.gz