diff --git a/alsa-utils.changes b/alsa-utils.changes
index a09b0a9..6769f06 100644
--- a/alsa-utils.changes
+++ b/alsa-utils.changes
@@ -1,3 +1,9 @@
+-------------------------------------------------------------------
+Wed Jul 28 07:46:26 UTC 2021 - Johannes Segitz <jsegitz@suse.com>
+
+- Added hardening to systemd service(s). Modified:
+  * sound-extra.service
+
 -------------------------------------------------------------------
 Mon Jun 14 15:04:57 CEST 2021 - tiwai@suse.de
 
diff --git a/sound-extra.service b/sound-extra.service
index 8b5299f..33e9629 100644
--- a/sound-extra.service
+++ b/sound-extra.service
@@ -4,5 +4,14 @@ After=alsa-restore.service
 ConditionPathExists=/proc/asound
 
 [Service]
+# added automatically, for details please see
+# https://en.opensuse.org/openSUSE:Security_Features#Systemd_hardening_effort
+ProtectSystem=full
+ProtectHome=true
+ProtectHostname=true
+ProtectClock=true
+ProtectKernelTunables=true
+ProtectKernelLogs=true
+ProtectControlGroups=true
 Type=oneshot
 ExecStart=/usr/lib/systemd/scripts/load-sound-modules.sh