diff --git a/.github/workflows/R-CMD-check.yaml b/.github/workflows/R-CMD-check.yaml
index a3ac618..192f126 100644
--- a/.github/workflows/R-CMD-check.yaml
+++ b/.github/workflows/R-CMD-check.yaml
@@ -5,6 +5,8 @@ on:
     branches: [main, master]
   pull_request:
     branches: [main, master]
+  schedule:
+    - cron: '0 0 * * 0'
 
 name: R-CMD-check