diff --git a/.github/workflows/deploy_main.yaml b/.github/workflows/deploy_main.yaml
index 8b899ff2..1e727df0 100644
--- a/.github/workflows/deploy_main.yaml
+++ b/.github/workflows/deploy_main.yaml
@@ -4,6 +4,8 @@ on:
   push:
     branches:
       - main
+  schedule:
+    - cron: '0 0 * * *'  # run nightly at midnight
 
 # Sets permissions of the GITHUB_TOKEN to allow deployment to GitHub Pages
 permissions: