diff --git a/crontab b/crontab
index f1c7ed3..6e644f3 100644
--- a/crontab
+++ b/crontab
@@ -1,2 +1,2 @@
-*/5 * * * * python /var/www/request-broker/manage.py runcrons >/proc/1/fd/1 2>/proc/1/fd/2
+*/5 * * * * /usr/local/bin/python3 -u /var/www/request-broker/manage.py runcrons >/proc/1/fd/1 2>/proc/1/fd/2
 
diff --git a/request_broker/cron.py b/request_broker/cron.py
index bb26b48..941f7ec 100644
--- a/request_broker/cron.py
+++ b/request_broker/cron.py
@@ -1,11 +1,11 @@
 from django_cron import CronJobBase, Schedule
 
 from process_request.helpers import refresh_reading_room_cache
-import settings
+from request_broker.settings import AEON
 
 class RefreshReadingRoomCache(CronJobBase):
-    schedule = Schedule(run_every_mins=settings.AEON["cache_duration"])
+    schedule = Schedule(run_every_mins=AEON["cache_duration"])
     code = 'request_broker.refresh_reading_room_cache'
 
     def do(self):
-        refresh_reading_room_cache()
\ No newline at end of file
+        refresh_reading_room_cache()
diff --git a/request_broker/settings.py b/request_broker/settings.py
index 8440a4d..2834bef 100644
--- a/request_broker/settings.py
+++ b/request_broker/settings.py
@@ -177,3 +177,7 @@
     "apikey": config.AEON_APIKEY,
     "cache_duration": config.AEON_CACHE_DURATION,
 }
+
+CRON_CLASSES = [
+    "request_broker.cron.RefreshReadingRoomCache"
+]