diff --git a/distcc.changes b/distcc.changes
index ad51cf3..3e81f79 100644
--- a/distcc.changes
+++ b/distcc.changes
@@ -1,3 +1,9 @@
+-------------------------------------------------------------------
+Mon Sep 13 14:35:20 UTC 2021 - Johannes Segitz <jsegitz@suse.com>
+
+- Added hardening to systemd service(s) (bsc#1181400). Modified:
+  * distccd.service
+
 -------------------------------------------------------------------
 Wed May 12 21:18:15 UTC 2021 - Dirk Müller <dmueller@suse.com>
 
diff --git a/distccd.service b/distccd.service
index 64a3720..4a3284d 100644
--- a/distccd.service
+++ b/distccd.service
@@ -3,6 +3,19 @@ Description=Distccd: A Distributed Compilation Server
 After=network.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 
 EnvironmentFile=-/etc/sysconfig/distccd
 ExecStart=/usr/bin/distccd --verbose --no-detach --daemon --port 3632 -N 15 --allow $ALLOWED_SERVERS $EXTRA_PARAMS