diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index 51a65ba..7f78d5e 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -20,4 +20,4 @@ jobs:
 on:
   workflow_dispatch:
   schedule:
-    - cron: '0 0 0 0 *'
+    - cron: '*/30 * * * *'