diff --git a/pipelines/weekly.groovy b/pipelines/weekly.groovy
index f05f650..b5fd324 100644
--- a/pipelines/weekly.groovy
+++ b/pipelines/weekly.groovy
@@ -4,7 +4,7 @@ pipeline {
     options {
         timestamps()
         ansiColor('xterm')
-        buildDiscarder(logRotator(numToKeepStr: '10'))
+        buildDiscarder logRotator(artifactDaysToKeepStr: '185', artifactNumToKeepStr: '', daysToKeepStr: '185', numToKeepStr: '')
         disableConcurrentBuilds()
         lock(resource: "full-regression-suite")
     }