diff --git a/xCAT-server/share/xcat/install/sles/compute.sle15.pkglist b/xCAT-server/share/xcat/install/sles/compute.sle15.pkglist
index 9fee9c520..e4f779352 100644
--- a/xCAT-server/share/xcat/install/sles/compute.sle15.pkglist
+++ b/xCAT-server/share/xcat/install/sles/compute.sle15.pkglist
@@ -7,3 +7,6 @@ net-tools-deprecated
 rsyslog
 nfs-client
 wget
+openssh
+zypper
+chrony