diff --git a/.github/workflows/dev_on_schedule_delete_pullrequest_deployments.yml b/.github/workflows/dev_on_schedule_delete_pullrequest_deployments.yml
index 8cbfd1d2e18..baed2b4bdb6 100644
--- a/.github/workflows/dev_on_schedule_delete_pullrequest_deployments.yml
+++ b/.github/workflows/dev_on_schedule_delete_pullrequest_deployments.yml
@@ -2,7 +2,7 @@ name: "2 [on_schedule] Delete pullrequest deployments"
 
 on:
   schedule:
-    - cron: "0 */1 * * *"
+    - cron: "0 9-20 * * *"
 
 permissions: write-all