diff --git a/jobs/Deploy_CHMB_SIT_131/config.xml b/jobs/Deploy_CHMB_SIT_131/config.xml
index 855f80b5c18e8aa7d6b563f0a0321ace6ec87b2a..0a77e3585de5a714e28e4f68eff3c5d8ea211510 100644
--- a/jobs/Deploy_CHMB_SIT_131/config.xml
+++ b/jobs/Deploy_CHMB_SIT_131/config.xml
@@ -7,6 +7,14 @@
     <com.dabsquared.gitlabjenkins.connection.GitLabConnectionProperty plugin="gitlab-plugin@1.5.9">
       <gitLabConnection>ylhealth</gitLabConnection>
     </com.dabsquared.gitlabjenkins.connection.GitLabConnectionProperty>
+    <jenkins.model.BuildDiscarderProperty>
+      <strategy class="hudson.tasks.LogRotator">
+        <daysToKeep>2</daysToKeep>
+        <numToKeep>5</numToKeep>
+        <artifactDaysToKeep>-1</artifactDaysToKeep>
+        <artifactNumToKeep>-1</artifactNumToKeep>
+      </strategy>
+    </jenkins.model.BuildDiscarderProperty>
   </properties>
   <scm class="hudson.plugins.git.GitSCM" plugin="git@3.9.1">
     <configVersion>2</configVersion>