diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 6966f06..b88d5e6 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -7,6 +7,8 @@ on:
   pull_request:
     branches:
       - master
+  schedule:
+    - cron: '0 0 * * 0'
 
 jobs:
   build: