diff --git a/thttpd.changes b/thttpd.changes
index 137d16d..93f13c1 100644
--- a/thttpd.changes
+++ b/thttpd.changes
@@ -1,3 +1,9 @@
+-------------------------------------------------------------------
+Wed Nov 24 15:13:25 UTC 2021 - Johannes Segitz <jsegitz@suse.com>
+
+- Added hardening to systemd service(s) (bsc#1181400). Modified:
+  * thttpd.service
+
 -------------------------------------------------------------------
 Thu May 14 08:42:14 UTC 2020 - Vítězslav Čížek <vcizek@suse.com>
 
diff --git a/thttpd.service b/thttpd.service
index 27e1604..4529bab 100644
--- a/thttpd.service
+++ b/thttpd.service
@@ -2,6 +2,19 @@
 Description=Tiny HTTP Daemon
 
 [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 
 PIDFile=/run/thttpd.pid
 ExecStart=/usr/sbin/thttpd -D -C /etc/thttpd.conf
 Restart=always