diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 6f84806..206e861 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -5,6 +5,8 @@ on:
     branches: [ master, '0.[0-9]+' ]
   pull_request:
     branches: [ master, '0.[0-9]+' ]
+  schedule:
+    - cron: '0 0 * * SUN'
 
 permissions:
   contents: read #  to fetch code (actions/checkout)