diff --git a/.github/workflows/sync-working-groups.yml b/.github/workflows/sync-working-groups.yml
index c7d0a75b95..1ba7a30125 100644
--- a/.github/workflows/sync-working-groups.yml
+++ b/.github/workflows/sync-working-groups.yml
@@ -5,7 +5,7 @@ env:
 
 on:
   schedule:
-    - cron: '0 * * * *'
+    - cron: '0 */3 * * *' # every 3 hours
   workflow_dispatch:
 
 defaults: