diff --git a/python-lxml.spec b/python-lxml.spec
index 429bc185aba865f040e4ac615fd30f5f5554031e..fef88ad267ddcb44c58b8615bd0167c94fca2ff1 100644
--- a/python-lxml.spec
+++ b/python-lxml.spec
@@ -7,7 +7,7 @@ The latest release works with all CPython versions from 2.7 to 3.7.
 
 Name:		python-lxml
 Version:	5.1.0
-Release:	2
+Release:	3
 Summary:	XML processing library combining libxml2/libxslt with the ElementTree API
 License:	BSD
 URL:		https://github.com/lxml/lxml
@@ -33,6 +33,7 @@ BuildRequires:	python3-Cython
 
 %package help
 Summary:	Development documents and examples for lxml
+Buildarch:  noarch
 Provides:	python3-lxml-doc
 %description help
 %{_description}
@@ -78,6 +79,9 @@ make test
 %doc README.rst src/lxml/isoschematron/resources/xsl/iso-schematron-xslt1/readme.txt
 
 %changelog
+* Tue Aug 20 2024 siyongchang <siyongchang@cqsoftware.com.cn> - 5.1.0-3
+- Added 'Buildarch:noarch' to the help subpackage
+
 * Tue Apr 23 2024 zhangzikang <zhangzikang@kylinos.cn> - 5.1.0-2
 - Fix test_elementtree with Expat-2.6.0, resolve check error