diff --git a/openslp.changes b/openslp.changes
index 238ea7e..3694af5 100644
--- a/openslp.changes
+++ b/openslp.changes
@@ -1,3 +1,9 @@
+-------------------------------------------------------------------
+Wed Oct 13 11:13:47 UTC 2021 - Johannes Segitz <jsegitz@suse.com>
+
+- Added hardening to systemd service(s) (bsc#1181400). Modified:
+  * slpd.service
+
 -------------------------------------------------------------------
 Tue Mar 24 17:07:52 CET 2020 - mls@suse.de
 
diff --git a/slpd.service b/slpd.service
index 85800a8..40114ed 100644
--- a/slpd.service
+++ b/slpd.service
@@ -3,6 +3,19 @@ Description=OpenSLP daemon for the Service Location Protocol
 After=network.target nss-lookup.target
 
 [Service]
+# added automatically, for details please see
+# https://en.opensuse.org/openSUSE:Security_Features#Systemd_hardening_effort
+ProtectSystem=full
+ProtectHome=true
+PrivateDevices=true
+ProtectHostname=true
+ProtectClock=true
+ProtectKernelTunables=true
+ProtectKernelModules=true
+ProtectKernelLogs=true
+ProtectControlGroups=true
+RestrictRealtime=true
+# end of automatic additions 
 Type=notify
 ExecStart=/usr/sbin/slpd -d
 ExecReload=/bin/kill -HUP $MAINPID