diff --git a/rust.spec b/rust.spec
index 02eba95070d4a52c39c29315efd93be96559e898..3b3a524102d54a1c2b6e9a333f354dab66f57941 100644
--- a/rust.spec
+++ b/rust.spec
@@ -5,7 +5,7 @@
 %global bootstrap_date 2024-11-28
 %global bootstrap_arches x86_64 aarch64 riscv64 loongarch64
 %bcond_with llvm_static
-%ifarch x86_64 aarch64
+%ifarch x86_64 aarch64 riscv64
 %bcond_with bundled_llvm
 %else
 %bcond_without bundled_llvm
@@ -27,7 +27,7 @@
 
 Name:                rust
 Version:             1.84.0
-Release:             2
+Release:             3
 Summary:             The Rust Programming Language
 License:             Apache-2.0 OR MIT
 URL:                 https://www.rust-lang.org
@@ -124,7 +124,7 @@ BuildRequires:       cmake >= 2.8.11
 %if %defined llvm
 %global llvm_root %{_libdir}/%{llvm}
 %else
-%ifarch x86_64 aarch64
+%ifarch x86_64 aarch64 riscv64
 %global llvm llvm-toolset-18-llvm
 %global llvm_root /opt/openEuler/llvm-toolset-18/root%{_prefix}
 %global clang_maj_ver 18
@@ -143,7 +143,7 @@ BuildRequires:       %{llvm}-static libffi-devel
 %endif
 BuildRequires:       procps-ng
 BuildRequires:       ninja-build
-%ifarch x86_64 aarch64
+%ifarch x86_64 aarch64 riscv64
 BuildRequires:       llvm-toolset-18-compiler-rt
 BuildRequires:       llvm-toolset-18-clang
 %else
@@ -559,6 +559,9 @@ export %{rust_env}
 %{_mandir}/man1/cargo*.1*
 
 %changelog
+* Fri Feb 21 2025 laokz <zhangkai@iscas.ac.cn> - 1.84.0-3
+- Switch to unbundled llvm for riscv64 building
+
 * Mon Feb 17 2025 wangkai <13474090681@163.com> - 1.84.0-2
 - Switch to unbundled llvm for x86_64 aarch64 building