diff --git a/build-tools/build_iso/image.inc b/build-tools/build_iso/image.inc
index dce67094..8841aba3 100644
--- a/build-tools/build_iso/image.inc
+++ b/build-tools/build_iso/image.inc
@@ -228,6 +228,7 @@ lighttpd-fastcgi
 lighttpd-mod_geoip
 lighttpd-mod_mysql_vhost
 novnc
+linuxptp
 ntp
 ntp-perl
 procps-ng