diff --git a/app/config.py b/app/config.py
index 1cb389eb3..958a0a532 100644
--- a/app/config.py
+++ b/app/config.py
@@ -226,7 +226,7 @@ class Config(object):
         },
         'run-letter-jobs': {
             'task': 'run-letter-jobs',
-            'schedule': crontab(minute=15, hour=17),
+            'schedule': crontab(minute=30, hour=17),
             'options': {'queue': QueueNames.PERIODIC}
         }
     }