diff --git a/0001-Modify-python-to-python3-with-configure.py.patch b/0001-Modify-python-to-python3-with-configure.py.patch
new file mode 100644
index 0000000000000000000000000000000000000000..c680afb4a3382f5e02c699cb06230403b4f03221
--- /dev/null
+++ b/0001-Modify-python-to-python3-with-configure.py.patch
@@ -0,0 +1,32 @@
+From a65d47ab65015fd4ffe75125853cee80b04dbbff Mon Sep 17 00:00:00 2001
+From: lyn1001 <thistleslyn@163.com>
+Date: Tue, 11 Aug 2020 13:59:21 +0800
+Subject: [PATCH] Modify python  to python3 with configure.py
+
+---
+ .../configure.py                                   |   4 ++--
+ 1 files changed, 2 insertions(+), 2 deletions(-)
+
+diff --git a/configure.py b/configure.py
+index dab5dc9..6663645 100755
+--- a/configure.py
++++ b/configure.py
+@@ -1,4 +1,4 @@
+-#!/usr/bin/python
++#!/usr/bin/python3
+ from __future__ import print_function
+ 
+ def c_compiler_rule(b, name, description, compiler, flags):
+@@ -151,7 +151,7 @@ b.build(prepare_builtins, "LLVM_TOOL_LINK",
+ 
+ b.rule("PREPARE_BUILTINS", "%s -o $out $in" % prepare_builtins,
+        'PREPARE-BUILTINS $out')
+-b.rule("PYTHON_GEN", "python < $in > $out", "PYTHON_GEN $out")
++b.rule("PYTHON_GEN", "python3 < $in > $out", "PYTHON_GEN $out")
+ b.build('generic/lib/convert.cl', "PYTHON_GEN", ['generic/lib/gen_convert.py'])
+ 
+ manifest_deps = set([sys.argv[0], os.path.join(srcdir, 'build', 'metabuild.py'),
+
+-- 
+2.23.0
+
diff --git a/libclc.spec b/libclc.spec
index dec7c8b5a865c97d687f9f7123b313b4d9021b16..81729ea06c9d83eefe83eb37ae1ccae1a6dad14e 100644
--- a/libclc.spec
+++ b/libclc.spec
@@ -2,14 +2,14 @@
 
 Name:           libclc
 Version:        0.2.0
-Release:        15
+Release:        16
 Summary:        An implementation of the library requirements of the OpenCL C
 License:        BSD
 URL:            https://libclc.llvm.org
 Source0:        https://github.com/llvm-mirror/%{name}/archive/1ecb16dd7d8b8e9151027faab996f27b2ac508e3/%{name}-git1ecb16d.tar.gz
-
+Patch0001:      0001-Modify-python-to-python3-with-configure.py.patch
 ExclusiveArch:  %{ix86} x86_64 %{arm} aarch64 riscv64
-BuildRequires:  clang-devel libedit-devel llvm-devel >= 3.9 python zlib-devel
+BuildRequires:  clang-devel libedit-devel llvm-devel >= 3.9 python3 zlib-devel
 
 %description
 bclc is an open source, BSD/MIT dual licensed implementation of the
@@ -69,6 +69,9 @@ export CFLAGS="%{build_cflags} -D__extern_always_inline=inline"
 %{_libdir}/pkgconfig/%{name}.pc
 
 %changelog
+* Tue Aug 11 2020 yanan li <liyanan032@huawei.com> -0.2.0-16
+- Modify python  to python3
+
 * Thu Jul 09 2020 whoisxxx <zhangxuzhou4@huawei.com> - 0.2.0-15
 - Add RISC-V arch