diff --git a/bzflag.changes b/bzflag.changes
index 61b46d2..1899fa6 100644
--- a/bzflag.changes
+++ b/bzflag.changes
@@ -1,3 +1,9 @@
+-------------------------------------------------------------------
+Thu Aug 26 11:36:28 UTC 2021 - Johannes Segitz <jsegitz@suse.com>
+
+- Added hardening to systemd service(s). Modified:
+  * bzflagserver.service
+
 -------------------------------------------------------------------
 Sun Feb 28 16:06:59 UTC 2021 - Martin Hauke <mardnh@gmx.de>
 
diff --git a/bzflagserver.service b/bzflagserver.service
index 8e14175..4c893a2 100644
--- a/bzflagserver.service
+++ b/bzflagserver.service
@@ -9,6 +9,19 @@ Wants=remote-fs.target
 Wants=syslog.socket
 
 [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=forking
 Restart=no
 TimeoutSec=5min