diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index b35f219..e3cc22e 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -7,6 +7,9 @@ on:
   push:
     branches:
     - master
+  
+  schedule:
+    - cron: '30 12 * * *' # try to update the mirrors every day. 
 
 jobs:
   mirroring: