diff --git a/.github/workflows/R-CMD-check.yaml b/.github/workflows/R-CMD-check.yaml
index 4a8b737..3fb90b5 100644
--- a/.github/workflows/R-CMD-check.yaml
+++ b/.github/workflows/R-CMD-check.yaml
@@ -5,6 +5,8 @@ on:
     branches: [main]
   pull_request:
     branches: [main]
+  schedule:
+    - cron: '0 5 * * 1'
 
 name: R-CMD-check