diff --git a/libtar.spec b/libtar.spec
index 502085584b76ac90af2b6959b3f2beb26533c1ad..c82cee96757bef129c6ca270821c12c687af32e6 100644
--- a/libtar.spec
+++ b/libtar.spec
@@ -1,6 +1,6 @@
 Name:           libtar
 Version:        1.2.20
-Release:        22
+Release:        23
 Summary:        Library for manipulating tar files from within C programs.
 License:        BSD
 URL:            http://repo.or.cz/libtar.git
@@ -32,6 +32,7 @@ Libraries and header files of %{name} are all in the %{name}-devel package.
 
 %package	help
 Summary:	Help manual for %{name}
+Buildarch: 	noarch
 
 %description    help
 The %{name}-help package conatins man manual etc
@@ -74,6 +75,9 @@ rm $RPM_BUILD_ROOT%{_libdir}/*.la
 %{_mandir}/man3/*.3*
 
 %changelog
+* Tue Aug 20 2024 dongzhenshu <dongzhenshu@cqsoftware.com.cn> - 1.2.20-23
+- Add 'Buildarch: noarch' to the help subpackage
+
 * Thu Nov 24 2022 shixuantong <shixuantong1@huawei.com> - 1.2.20-22
 - fix memory leak and use-after-free bugs of struct TAR *t