diff --git a/build/Jenkinsfile.branch b/build/Jenkinsfile.branch
index 0a027bd5e1..7446917d2a 100644
--- a/build/Jenkinsfile.branch
+++ b/build/Jenkinsfile.branch
@@ -18,7 +18,7 @@ pipeline {
   }
 
   options {
-    buildDiscarder(logRotator(numToKeepStr: '3'))
+    buildDiscarder(logRotator(daysToKeepStr: '15'))
     timeout(time: 2, unit: 'HOURS')
   }