diff --git a/.github/workflows/R-CMD-check.yaml b/.github/workflows/R-CMD-check.yaml
index 821eb0d..317d2e8 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 8 * * MON'
 
 name: R-CMD-check