diff --git a/rust.spec b/rust.spec
index 5ce7e9f961940c19b3b2a50d2fa10b5399fb29e6..9ee4d82b27f61eb5390e7be914fcaeaa56a8f179 100644
--- a/rust.spec
+++ b/rust.spec
@@ -10,7 +10,7 @@
 %bcond_without lldb
 Name:                rust
 Version:             1.64.0
-Release:             3
+Release:             4
 Summary:             The Rust Programming Language
 License:             (ASL 2.0 or MIT) and (BSD and MIT)
 URL:                 https://www.rust-lang.org
@@ -233,6 +233,7 @@ data to provide information about the Rust standard library.
 
 %package help
 Summary:     Help documents for rust
+BuildArch:   noarch
 
 Provides:    %{name}-doc = %{version}-%{release} %{name}-cargo-doc = %{version}-%{release}
 Obsoletes:   %{name}-doc < %{version}-%{release} %{name}-cargo-doc < %{version}-%{release}
@@ -497,6 +498,9 @@ export %{rust_env}
 %{_mandir}/man1/cargo*.1*
 
 %changelog
+* Tue Aug 20 2024 Jiuwang He <hejiuwang@cqsoftware.com.cn> - 1.64.0-4
+- Add Buildarch: noarch to the help subpackage
+
 * Sat Feb 17 2024 wangkai <13474090681@163.com> - 1.64.0-3
 - Fix CVE-2024-24575,CVE-2024-24577