diff --git a/trousers.spec b/trousers.spec
index b31cc66e43555554e8db4a5ab0da14ae92125907..1fb5c3a0a6307021b79a45b3141ba4123d941dea 100644
--- a/trousers.spec
+++ b/trousers.spec
@@ -1,6 +1,6 @@
 Name:         trousers
 Version:      0.3.14
-Release:      2
+Release:      3
 Summary:      The open-source TCG Software Stack
 License:      BSD
 Url:          http://trousers.sourceforge.net
@@ -52,6 +52,11 @@ mkdir -p %{buildroot}%{_unitdir}
 install -m 0644 %{SOURCE1} %{buildroot}%{_unitdir}/
 
 %pre
+getent group tss > /dev/null || groupadd -g 59 -r tss
+getent passwd tss > /dev/null || \
+useradd -r -u 59 -g tss -d /dev/null -s /sbin/nologin \
+-c "Account used by the trousers package to sandbox the tcsd daemon" tss
+exit 0
 
 %post
 %systemd_post tcsd.service
@@ -87,6 +92,9 @@ install -m 0644 %{SOURCE1} %{buildroot}%{_unitdir}/
 
 
 %changelog
+* Sat Mar 21 2020 openEuler Buildteam <buildteam@openeuler.org> - 1.9.8-3
+- Add tss account used by the trousers package to sandbox the tcsd daemon
+
 * Sat Dec 21 2019 openEuler Buildteam <buildteam@openeuler.org> - 1.9.8-2
 - Modify requires