diff --git a/prefetch_tuning.spec b/prefetch_tuning.spec
index fc023d7..16ab996 100644
--- a/prefetch_tuning.spec
+++ b/prefetch_tuning.spec
@@ -3,14 +3,14 @@
 Name: prefetch_tuning
 Summary: CPU prefetch tuning module for Kunpeng 920
 Version: 1.2
-Release: 1
+Release: 2
 License: GPLv2
 Source0: https://gitee.com/openeuler/prefetch_tuning/repository/archive/v%{version}.tar.gz
 buildroot: %{_tmppath}/%{kmod_name}-%{version}-build
 
 BuildRequires:  make
 BuildRequires:  gcc
-BuildRequires:  kernel-devel
+BuildRequires:  kernel-devel uname-build-checks
 ExclusiveArch: aarch64
 
 %description
@@ -47,6 +47,9 @@ rm -rf %_builddir/%{kmod_name}-%{version}
 %preun
 
 %changelog
+* Sat Jan 29 2022 Bin Hu <hubin73@huawei.com> - 1.2-2
+- fix obs build problem
+
 * Mon Nov 16 2020 Zhipeng Xie <xiezhipeng1@huawei.com> - 1.2-1
 - upgrade to v1.2