diff --git a/python-dulwich.spec b/python-dulwich.spec
index b2e0c7b42f2517c67ae8f1cb1b10cfd93e4990cc..45a248d30f550120bc92210dc9094d2a28f57f6e 100755
--- a/python-dulwich.spec
+++ b/python-dulwich.spec
@@ -1,7 +1,7 @@
 %global _empty_manifest_terminate_build 0
 Name:		python-dulwich
 Version:	0.20.20
-Release:	2
+Release:	3
 Summary:	Python Git Library
 License:	Apachev2 or GPLv2+ or GPLv2
 URL:		https://www.dulwich.io/
@@ -23,11 +23,12 @@ Python Git Library.
 
 %package help
 Summary:	Development documents and examples for dulwich
+Buildarch:      noarch
 Provides:	python3-dulwich-doc
+
 %description help
 Python Git Library.
 
-
 %prep
 %autosetup -n dulwich-0.20.20
 
@@ -69,6 +70,9 @@ mv %{buildroot}/doclist.lst .
 %{_docdir}/*
 
 %changelog
+* Mon Aug 19 2024 chengsongyuxuan <chengsongyuxuan@cqsoftware.com.cn>  - 0.20.20-3 
+- Add 'Buildarch: noarch' to the help subpackage.
+
 * Wed Aug 04 2021 chenyanpanHW <chenyanpan@huawei.com> - 0.20.20-2
 - DESC: delete BuildRequires gdb