diff --git a/workflows/u/akiracraftwork/hourly_chime.schedule.yaml b/workflows/u/akiracraftwork/hourly_chime.schedule.yaml
index 6d141ea..cfc9c43 100644
--- a/workflows/u/akiracraftwork/hourly_chime.schedule.yaml
+++ b/workflows/u/akiracraftwork/hourly_chime.schedule.yaml
@@ -10,7 +10,7 @@ on_failure_times: 1
 on_recovery_extra_args: {}
 on_recovery_times: 1
 on_success_extra_args: {}
-schedule: 0 0 12 * * *
+schedule: 0 0 * * * *
 script_path: u/akiracraftwork/hourly_chime
 timezone: Asia/Tokyo
 ws_error_handler_muted: false