diff --git a/.github/workflows/SHiELD_parallelworks_intel.yml b/.github/workflows/SHiELD_parallelworks_intel.yml
index a2a96cdb7..ec679ca09 100644
--- a/.github/workflows/SHiELD_parallelworks_intel.yml
+++ b/.github/workflows/SHiELD_parallelworks_intel.yml
@@ -13,6 +13,10 @@ on:
   pull_request:
     branches:
       - main
+  # run weekly on Sunday
+  schedule:
+    - cron: '0 0 * * 0'
+    
 jobs:
   checkout:
     runs-on: [self-hosted, devcimultiintel]