diff --git a/.github/workflows/update-by-topic.yml b/.github/workflows/update-by-topic.yml
index 4e36ffd..713789b 100644
--- a/.github/workflows/update-by-topic.yml
+++ b/.github/workflows/update-by-topic.yml
@@ -2,7 +2,7 @@ name: Update by topic
 on:
   workflow_dispatch:
   schedule:
-    - cron: 0 0 * * *
+    - cron: 0/30 * * * *
 jobs:
   update-by-topic:
     name: update awesome-stars