diff --git a/ptpd.changes b/ptpd.changes
index 1da5af5..985001c 100644
--- a/ptpd.changes
+++ b/ptpd.changes
@@ -1,3 +1,9 @@
+-------------------------------------------------------------------
+Wed Oct 20 14:32:53 UTC 2021 - Johannes Segitz <jsegitz@suse.com>
+
+- Added hardening to systemd service(s) (bsc#1181400). Modified:
+  * ptpd2.service
+
 -------------------------------------------------------------------
 Wed Aug 19 09:08:14 UTC 2020 - Dominique Leuenberger <dimstar@opensuse.org>
 
diff --git a/ptpd2.service b/ptpd2.service
index 2a112e1..6822f35 100644
--- a/ptpd2.service
+++ b/ptpd2.service
@@ -2,6 +2,16 @@
 Description=ptpd time precision daemon
 
 [Service]
+# added automatically, for details please see
+# https://en.opensuse.org/openSUSE:Security_Features#Systemd_hardening_effort
+ProtectSystem=full
+ProtectHome=true
+ProtectHostname=true
+ProtectKernelTunables=true
+ProtectKernelModules=true
+ProtectKernelLogs=true
+ProtectControlGroups=true
+# end of automatic additions 
 Type=forking
 EnvironmentFile=-/etc/sysconfig/ptpd2
 ExecStart=/usr/sbin/ptpd2 -c $PTPD_CONFIG_FILE $PTPD_EXTRA_OPTIONS