diff --git a/.github/workflows/chipyard-full-flow.yml b/.github/workflows/chipyard-full-flow.yml
index 50e219e3..21a97e11 100644
--- a/.github/workflows/chipyard-full-flow.yml
+++ b/.github/workflows/chipyard-full-flow.yml
@@ -6,6 +6,9 @@ on:
     branches:
       - main
       - '1.[0-9]*.x'
+  schedule:
+    # run at 00:00 on sunday
+    - cron: "0 0 * * 0"
 
 defaults:
   run: