diff --git a/.github/workflows/pr-check.yml b/.github/workflows/pr-check.yml
index 1a632e0..27eda13 100644
--- a/.github/workflows/pr-check.yml
+++ b/.github/workflows/pr-check.yml
@@ -11,6 +11,8 @@ on:
       - reopened
       - edited
       - synchronize
+  schedule:
+    - cron: "0 6 * * *"
   workflow_dispatch:
 
 jobs: