diff --git a/jobs/CHMB_Analysis/config.xml b/jobs/CHMB_Analysis/config.xml
index 6da666b6b5e81dea80f6bcd32f36b4a83ef89721..6261de7c3a3a8c22a8a758c89a5f12292048a502 100644
--- a/jobs/CHMB_Analysis/config.xml
+++ b/jobs/CHMB_Analysis/config.xml
@@ -40,7 +40,7 @@
   <blockBuildWhenUpstreamBuilding>false</blockBuildWhenUpstreamBuilding>
   <triggers>
     <hudson.triggers.SCMTrigger>
-      <spec>2 * * * *</spec>
+      <spec>H H(8-22)/2 * * 1-5</spec>
       <ignorePostCommitHooks>false</ignorePostCommitHooks>
     </hudson.triggers.SCMTrigger>
   </triggers>