diff --git a/harden_pesign.service.patch b/harden_pesign.service.patch
new file mode 100644
index 0000000..835ec42
--- /dev/null
+++ b/harden_pesign.service.patch
@@ -0,0 +1,24 @@
+Index: pesign-113/src/pesign.service.in
+===================================================================
+--- pesign-113.orig/src/pesign.service.in
++++ pesign-113/src/pesign.service.in
+@@ -3,6 +3,19 @@ Description=Pesign signing daemon
+ 
+ [Service]
+ PrivateTmp=true
++# 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
+ PIDFile=/run/pesign.pid
+ ExecStart=/usr/bin/pesign --daemonize
diff --git a/pesign.changes b/pesign.changes
index 0e7e26f..6dc2fae 100644
--- a/pesign.changes
+++ b/pesign.changes
@@ -1,3 +1,9 @@
+-------------------------------------------------------------------
+Tue Oct 19 05:58:37 UTC 2021 - Johannes Segitz <jsegitz@suse.com>
+
+- Added hardening to systemd service(s) (bsc#1181400). Added patch(es):
+  * harden_pesign.service.patch
+
 -------------------------------------------------------------------
 Tue Jun  8 15:55:09 UTC 2021 - Wolfgang Frisch <wolfgang.frisch@suse.com>
 
diff --git a/pesign.spec b/pesign.spec
index e5ec23f..169e159 100644
--- a/pesign.spec
+++ b/pesign.spec
@@ -40,6 +40,7 @@ Patch6:         pesign-boo1143063-remove-var-tracking.patch
 Patch7:         pesign-boo1158197-fix-pesigncheck-gcc10.patch
 # PATCH-FIX-UPSTREAM pesign-boo1185663-set-rpmmacrodir.patch boo#1185663 glin@suse.com -- Set the rpm macro directory at build time
 Patch8:         pesign-boo1185663-set-rpmmacrodir.patch
+Patch9:         harden_pesign.service.patch
 BuildRequires:  efivar-devel
 BuildRequires:  libuuid-devel
 BuildRequires:  mozilla-nss-devel
@@ -64,6 +65,7 @@ with the PE and Authenticode specifications.
 %patch6 -p1
 %patch7 -p1
 %patch8 -p1
+%patch9 -p1
 
 %build
 make %{?_smp_mflags} CFLAGS="%{optflags}" LDFLAGS="${LDFLAGS} -pie"