diff --git a/llvm.spec b/llvm.spec
index 94110be7e21e974f07eee54745c242b18fbeb58d..0f08db612edf55276e41e69358db4dcb855349e3 100644
--- a/llvm.spec
+++ b/llvm.spec
@@ -154,7 +154,7 @@ Name:		  llvm
 Name:		  llvm-toolset-%{maj_ver}
 %endif
 Version:	%{maj_ver}.%{min_ver}.%{patch_ver}
-Release:	49
+Release:	50
 Summary:	The Low Level Virtual Machine
 
 License:	NCSA
@@ -837,7 +837,7 @@ Documentation for LLVM libunwind
 %global cmake_config_args %{cmake_config_args} \\\
 	-DCLANG_BUILD_EXAMPLES:BOOL=OFF \\\
 	-DCLANG_CONFIG_FILE_SYSTEM_DIR=%{_sysconfdir}/%{pkg_name_clang}/ \\\
-	-DCLANG_DEFAULT_PIE_ON_LINUX=OFF \\\
+	-DCLANG_DEFAULT_PIE_ON_LINUX=ON \\\
 	-DCLANG_DEFAULT_UNWINDLIB=libgcc \\\
 	-DCLANG_ENABLE_ARCMT:BOOL=ON \\\
 	-DCLANG_ENABLE_STATIC_ANALYZER:BOOL=ON \\\
@@ -2886,6 +2886,9 @@ fi
 #endregion files
 
 %changelog
+* Tue Sep 02 2025 liyunfei <liyunfei33@huawei.com> - 17.0.6-50
+- add fix for pie hardening
+
 * Wed Aug 27 2025 liyunfei <liyunfei33@huawei.com> - 17.0.6-49
 - update to llvm-for-oe-17.0.6-2509.0.1
 - release-note https://gitee.com/openeuler/llvm-project/releases/tag/llvm-for-oE-17.0.6-2509.0.1