diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index f6be931..21a7c7c 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -10,6 +10,9 @@ on:
   pull_request:
     branches:
       - 'main'
+  # Weekly, at 00:30 on Sunday
+  schedule:
+    - cron: '30 0 * * 0'
 
 jobs:
   build: