diff --git a/Jenkinsfile b/Jenkinsfile
index b754833166..fccf714c2c 100644
--- a/Jenkinsfile
+++ b/Jenkinsfile
@@ -1,6 +1,6 @@
 #! groovy
-// Keep logs/reports/etc of last 3 builds, only keep build artifacts of last build
-properties([buildDiscarder(logRotator(numToKeepStr: '3', artifactNumToKeepStr: '1'))])
+// Keep logs/reports/etc of last 15 builds, only keep build artifacts of last build
+properties([buildDiscarder(logRotator(numToKeepStr: '15', artifactNumToKeepStr: '1'))])
 // Set after copying upstream artifacts
 // Tells maven where to assume a p2 repo holding the sftp libraries would be
 def sftpURL = ''