diff --git a/llvm-toolset-18.spec b/llvm-toolset-18.spec
index 04e08a498e30d60583eef5ffd00b4b04b51b3ee4..98cbc272053789bf5804f53af2fea5dba342e81c 100644
--- a/llvm-toolset-18.spec
+++ b/llvm-toolset-18.spec
@@ -149,7 +149,7 @@
 #region main package
 Name:		  llvm-toolset-%{maj_ver}
 Version:	%{maj_ver}.%{min_ver}.%{patch_ver}
-Release:	5
+Release:	6
 Summary:	The Low Level Virtual Machine
 
 License:	NCSA
@@ -2501,7 +2501,7 @@ fi
 %{install_libdir}/clang/%{maj_ver}/lib/%{compiler_rt_triple}/clang_rt.crtend.o
 %endif
 
-%ifnarch %{ix86} s390x riscv64
+%ifnarch %{ix86} s390x riscv64 loongarch64
 %{install_libdir}/clang/%{maj_ver}/lib/%{compiler_rt_triple}/liborc_rt.a
 %endif
 
@@ -2554,7 +2554,7 @@ fi
 %ifnarch %{ix86}
 # libomptarget is not supported on 32-bit systems.
 # s390x does not support the offloading plugins.
-%ifnarch riscv64
+%ifnarch riscv64 loongarch64
 %{install_libdir}/libomptarget.rtl.amdgpu.so
 %{install_libdir}/libomptarget.rtl.cuda.so
 %{install_libdir}/libomptarget.rtl.%{libomp_arch}.so
@@ -2786,6 +2786,9 @@ fi
 #endregion files
 
 %changelog
+* Fri May 16 2025 Wenlong Zhang <zhangwenlong@loongson.cn> - 18.1.8-6
+- Fix libomptarget.rtl.amdgpu|cuda|loonarch64.so file not found
+
 * Mon Mar 3 2025 liyunfei liyunfei33@huawei.com - 18.1.8-5
 - Remove python pack without sys_llvm