diff --git a/config/schedule.rb b/config/schedule.rb
index a56f2cde9352830e293753c922ada6b3766b290f..f225aaf30ec1dd30eded95d7463b9020c1d08d83 100644
--- a/config/schedule.rb
+++ b/config/schedule.rb
@@ -19,6 +19,7 @@
 
 # Learn more: http://github.com/javan/whenever
 
-every 5.minutes do
-  rake 'mainPage:highlights'
+# update score of learning objects
+every 6.hours do
+  rake 'score:leaning_object'
 end