diff --git a/libieee1284.spec b/libieee1284.spec
index 4a95077..3e423cc 100644
--- a/libieee1284.spec
+++ b/libieee1284.spec
@@ -1,6 +1,6 @@
 Name:           libieee1284
 Version:        0.2.11
-Release:        30
+Release:        31
 Summary:        IEEE1284 communications library
 License:        GPLv2+
 URL:            http://cyberelk.net/tim/libieee1284/
@@ -38,6 +38,7 @@ To use libieee1284 with Python, use 'import ieee1284'.
 %package        help
 Summary:        This package contains help documents
 Requires:       %{name} = %{version}-%{release}
+Buildarch:      noarch
 
 %description    help
 Files for help with libieee1284.
@@ -80,6 +81,9 @@ touch doc/interface.xml
 
 
 %changelog
+* Tue Aug 20 2024 Bowen Wang<wangbowen@cqsoftware.com.cn> - 0.2.11-31
+- Added 'Buildarch: noarch' to the help subpackage
+
 * Tue Sep 15 2020 Ge Wang<wangge20@huawei.com> - 0.2.11-30
 - Modify Source0 Url