diff --git a/.github/workflows/update.yml b/.github/workflows/update.yml
index a6ab81f..7ccffba 100644
--- a/.github/workflows/update.yml
+++ b/.github/workflows/update.yml
@@ -1,7 +1,7 @@
 name: update-sources
 on:
   schedule:
-    - cron: '0 0 * * *'
+    - cron: '0 */12 * * *'
   workflow_dispatch:
 jobs:
   update-sources: