diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index 0e8c457..805051e 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -1,6 +1,11 @@
 name: CI
 
-on: [push, pull_request, workflow_dispatch]
+on:
+  push:
+  pull_request:
+  workflow_dispatch:
+  schedule:
+    - cron: '0 3 * * sun'
 
 jobs:
   build_linux_intel: