diff --git a/yum/config.py b/yum/config.py

index 2219605..13efd9e 100644

--- a/yum/config.py

+++ b/yum/config.py

@@ -653,7 +653,7 @@ class YumConf(StartupConf):

     #  Time in seconds (1.5h), yum-updatesd runs once per. hour by default

     # this time means we don't do interactive network checks/updates if

     # yum-updatesd is running.

-    metadata_expire = SecondsOption(60 * 90)

+    metadata_expire = SecondsOption(60 * 60 * 6) # 6 hours

     mirrorlist_expire = SecondsOption(86400) # time in seconds (1 day)

     rpm_check_debug = BoolOption(True)

     disable_excludes = ListOption()