diff --git a/.github/workflows/R-CMD-check.yaml b/.github/workflows/R-CMD-check.yaml
index a3ac618..4c4d6cd 100644
--- a/.github/workflows/R-CMD-check.yaml
+++ b/.github/workflows/R-CMD-check.yaml
@@ -1,11 +1,12 @@
 # Workflow derived from https://github.com/r-lib/actions/tree/v2/examples
 # Need help debugging build failures? Start at https://github.com/r-lib/actions#where-to-find-help
 on:
+  schedule:
+    - cron: '0 0 1 * *'
   push:
     branches: [main, master]
   pull_request:
     branches: [main, master]
-
 name: R-CMD-check
 
 jobs: