diff --git a/harden_rtkit-daemon.service.patch b/harden_rtkit-daemon.service.patch
new file mode 100644
index 0000000..f62d8bc
--- /dev/null
+++ b/harden_rtkit-daemon.service.patch
@@ -0,0 +1,23 @@
+Index: rtkit-0.13/rtkit-daemon.service.in
+===================================================================
+--- rtkit-0.13.orig/rtkit-daemon.service.in
++++ rtkit-0.13/rtkit-daemon.service.in
+@@ -25,6 +25,18 @@ BusName=org.freedesktop.RealtimeKit1
+ NotifyAccess=main
+ CapabilityBoundingSet=CAP_SYS_NICE CAP_DAC_READ_SEARCH CAP_SYS_CHROOT CAP_SETGID CAP_SETUID
+ PrivateNetwork=yes
++# 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
++# end of automatic additions 
+ 
+ [Install]
+ WantedBy=multi-user.target
diff --git a/rtkit.changes b/rtkit.changes
index e5806c9..6d00f8b 100644
--- a/rtkit.changes
+++ b/rtkit.changes
@@ -1,3 +1,9 @@
+-------------------------------------------------------------------
+Tue Nov 16 10:49:44 UTC 2021 - Johannes Segitz <jsegitz@suse.com>
+
+- Added hardening to systemd service(s) (bsc#1181400). Added patch(es):
+  * harden_rtkit-daemon.service.patch
+
 -------------------------------------------------------------------
 Fri May 28 21:00:35 UTC 2021 - Dominique Leuenberger <dimstar@opensuse.org>
 
diff --git a/rtkit.spec b/rtkit.spec
index c9a88e4..b8a53d9 100644
--- a/rtkit.spec
+++ b/rtkit.spec
@@ -26,6 +26,7 @@ License:        BSD-3-Clause AND GPL-3.0-or-later
 Group:          System/Base
 URL:            https://github.com/heftig/rtkit
 Source:         https://github.com/heftig/rtkit/releases/download/v%{version}/rtkit-%{version}.tar.xz
+Patch0:	harden_rtkit-daemon.service.patch
 BuildRequires:  automake
 BuildRequires:  libcap-devel
 BuildRequires:  pkg-config
@@ -47,6 +48,7 @@ scheduling to be used by normal user processes.
 
 %prep
 %setup -q
+%patch0 -p1
 
 %build
 autoreconf -fiv