diff --git a/.github/workflows/ping-staging-apps.yml b/.github/workflows/ping-staging-apps.yml
index f1bad5755b9b..646f79a87418 100644
--- a/.github/workflows/ping-staging-apps.yml
+++ b/.github/workflows/ping-staging-apps.yml
@@ -6,7 +6,7 @@ name: Ping staging apps
 
 on:
   schedule:
-    - cron: '*/20 * * * *' # every twenty minutes
+    - cron: '10,30,50 * * * *' # every twenty minutes
 
 jobs:
   ping_staging_apps:
diff --git a/.github/workflows/repo-sync.yml b/.github/workflows/repo-sync.yml
index 851e7d9161a5..70a378ff2e4b 100644
--- a/.github/workflows/repo-sync.yml
+++ b/.github/workflows/repo-sync.yml
@@ -18,7 +18,7 @@ name: Repo Sync
 on:
   workflow_dispatch:
   schedule:
-    - cron: '*/15 * * * *' # every 15 minutes
+    - cron: '10,25,40,55 * * * *' # every 15 minutes
 
 jobs:
   close-invalid-repo-sync: