diff --git a/h_periodic/h_beat.py b/h_periodic/h_beat.py
index f933d6f..61dbb93 100644
--- a/h_periodic/h_beat.py
+++ b/h_periodic/h_beat.py
@@ -55,7 +55,7 @@
         "fill-annotations-pk": {
             "options": {"expires": 30},
             "task": "h.tasks.annotations.fill_pk_and_user_id",
-            "schedule": crontab(hour="9-12", minute="*/10"),
+            "schedule": crontab(hour="9-12", minute="*/5"),
             "kwargs": {"batch_size": 5000},
         },
         "report-sync-annotations-queue-length": {