diff --git a/rust.spec b/rust.spec
index c9808ecbc2eeb2dcf2ab95ec96c1a65ec0d4647c..101266bc12d7095aebe75788f186edf6e68fc1d7 100644
--- a/rust.spec
+++ b/rust.spec
@@ -1,10 +1,14 @@
 %global bootstrap_rust 1.82.0
 %global bootstrap_cargo 1.82.0
 %global bootstrap_channel 1.82.0
-%global bootstrap_date 2024-06-13
+%global bootstrap_date 2024-10-17
 %global bootstrap_arches x86_64 aarch64 riscv64
 %bcond_with llvm_static
+%ifarch x86_64 aarch64
+%bcond_with bundled_llvm
+%else
 %bcond_without bundled_llvm
+%endif
 %bcond_without bundled_libgit2
 %bcond_with disabled_libssh2
 %bcond_without lldb
@@ -22,7 +26,7 @@
 
 Name:                rust
 Version:             1.82.0
-Release:             8
+Release:             9
 Summary:             The Rust Programming Language
 License:             Apache-2.0 OR MIT
 URL:                 https://www.rust-lang.org
@@ -120,8 +124,15 @@ BuildRequires:       cmake >= 2.8.11
 %global llvm_root %{_libdir}/%{llvm}
 %else
 # default llvm is decent enough on riscv64
+%ifarch x86_64 aarch64
+%global llvm llvm-toolset-18-llvm
+%global llvm_root /opt/openEuler/llvm-toolset-18/root%{_prefix}
+%global clang_maj_ver 18
+%else
 %global llvm llvm
 %global llvm_root %{_prefix}
+%global clang_maj_ver 17
+%endif
 %endif
 # Minimum external LLVM for rust 1.82
 BuildRequires:       %{llvm} >= 17.0.0
@@ -132,8 +143,13 @@ BuildRequires:       %{llvm}-static libffi-devel
 %endif
 BuildRequires:       procps-ng
 BuildRequires:       ninja-build
+%ifarch x86_64 aarch64
+BuildRequires:       llvm-toolset-18-compiler-rt
+BuildRequires:       llvm-toolset-18-clang
+%else
 BuildRequires:       compiler-rt
 BuildRequires:       clang
+%endif
 Provides:            rustc = %{version}-%{release}
 Provides:            rustc%{?_isa} = %{version}-%{release}
 Requires:            %{name}-std-static%{?_isa} = %{version}-%{release}
@@ -345,10 +361,9 @@ fi
 %ifarch ppc64le
 %global _arch powerpc64le
 %endif
-%global clang_maj_ver 17
 %if %{?clang_maj_ver} >= 17
 # This is the new one, used on openEuler 24.03 LTS or later
-%define profiler %(echo %{_prefix}/%{_lib}/clang/%{clang_maj_ver}/lib/%{_arch}-%{_vendor}-linux-gnu/libclang_rt.profile.a)
+%define profiler %(echo %{llvm_root}/%{_lib}/clang/%{clang_maj_ver}/lib/%{_arch}-%{_vendor}-linux-gnu/libclang_rt.profile.a)
 %else
 # This is used before openEuler 23.09
 %global clang_full_ver %%(clang --version | awk '/clang version/{print $3}')
@@ -549,6 +564,9 @@ export %{rust_env}
 %{_mandir}/man1/cargo*.1*
 
 %changelog
+* Wed Jan 15 2025 wangkai <13474090681@163.com> - 1.82.0-9
+- Switch to unbundled llvm for x86_64 aarch64 building
+
 * Fri Jan 03 2025 laokz <zhangkai@iscas.ac.cn> - 1.82.0-8
 - fix the error out of memory for riscv64