diff --git a/smp_utils.spec b/smp_utils.spec
index 1ea75fd488150b0d891affa8d22e053b679b2038..37c0f4e3425c44f6595ef2169c9466127dbadab0 100644
--- a/smp_utils.spec
+++ b/smp_utils.spec
@@ -1,6 +1,6 @@
 Name:           smp_utils
 Version:        0.99
-Release:        4
+Release:        5
 Summary:        Utilities for SAS management protocol (SMP)
 License:        BSD
 URL:            http://sg.danny.cz/sg/smp_utils.html
@@ -33,6 +33,7 @@ developing applications.
 %package help
 Summary: Help info for %{name}
 Requires: man
+Buildarch: noarch
 
 %description help
 This package contains the help info for %{name}.
@@ -68,6 +69,9 @@ make install \
 %{_mandir}/man8/*
 
 %changelog
+* Tue Aug 20 2024 Jiuwang He <hejiuwang@cqsoftware.com.cn> - 0.99-5
+- Add Buildarch: noarch' to the help subpackage
+
 * Wed Jul 31 2024 JiangJianJun <jiangjianjun3@huawei.com> - 0.99-4
 - DESC: fix spec format