diff --git a/.github/workflows/build_ci.yml b/.github/workflows/build_ci.yml
index 6975ddc..b010275 100644
--- a/.github/workflows/build_ci.yml
+++ b/.github/workflows/build_ci.yml
@@ -6,6 +6,9 @@ on:
     tags: [ '**' ]
   pull_request:
     branches: [ staging, master ]
+  schedule:
+    # At 02:30 on Saturday
+    - cron:  '30 2 * * 6'
 
 jobs: