tweek job priorities
diff --git a/releng.control/cc_config.xml b/releng.control/cc_config.xml
index ea4b84b..21165e1 100644
--- a/releng.control/cc_config.xml
+++ b/releng.control/cc_config.xml
@@ -917,7 +917,7 @@
                 reallyquiet="${env.CVS_QUIET}"/>
         </modificationset>
         <schedule
-            interval="${time.twelveHours}">
+            interval="${time.fourHours}">
             <ant
                 antscript="${env.RELENG_CONTROL}/ant_low_priority_helios.sh">
                 <property