diff --git a/python-ninja.spec b/python-ninja.spec
index a0ad72d8b1e32b10658639ef274c27df0537ec11..4fa0605f9237b5aecd300689cc8c36200ca5bfd3 100644
--- a/python-ninja.spec
+++ b/python-ninja.spec
@@ -1,7 +1,7 @@
 %global _empty_manifest_terminate_build 0
 Name:		python-ninja
 Version:	1.11.1.1
-Release:	3
+Release:	4
 Summary:	A small build system with a focus on speed.
 License:	Apache-2.0
 URL:		https://github.com/ninja-build/ninja
@@ -34,6 +34,7 @@ A small build system with a focus on speed.
 
 %package help
 Summary:	Development documents and examples for ninja.
+Buildarch:  noarch
 Provides:	python3-ninja-doc
 
 %description help
@@ -76,6 +77,9 @@ mv %{buildroot}/doclist.lst .
 %{_docdir}/*
 
 %changelog
+* Tue Aug 20 2024 siyongchang <siyongchang@cqsoftware.com.cn> - 1.11.1.1-4
+- Added 'Buildarch:noarch' to the help subpackage
+
 * Mon Apr 08 2024 zhangxianting <zhangxianting@uniontech.com> - 1.11.1.1-3
 - Fix install conflicts