diff --git a/python-pint.spec b/python-pint.spec
index d2994c83ee833ccde98bc50c64ccdcedc6429333..d289e08fe4fc802b2836cc92f95400745ef629f4 100644
--- a/python-pint.spec
+++ b/python-pint.spec
@@ -1,22 +1,13 @@
 %global _empty_manifest_terminate_build 0
 Name:		python-pint
 Version:	0.16.1
-Release:	1
+Release:	2
 Summary:	Physical quantities module
 License:	BSD
 URL:		https://github.com/hgrecco/pint
 Source0:	https://files.pythonhosted.org/packages/2b/d4/18becb51e9e242640010362b38dde187ecc0d5caeb0a689a2a60083b1ca3/Pint-0.16.1.tar.gz
 BuildArch:	noarch
 
-Requires:	python3-packaging
-Requires:	python3-importlib-resources
-Requires:	python3-importlib-metadata
-Requires:	python3-numpy
-Requires:	python3-pytest
-Requires:	python3-pytest-mpl
-Requires:	python3-pytest-cov
-Requires:	python3-uncertainties
-
 %description
 Pint is a Python package to define, operate and manipulate physical
 quantities: the product of a numerical value and a unit of measurement.
@@ -37,6 +28,15 @@ BuildRequires:	python3-devel
 BuildRequires:  python3-pbr
 BuildRequires:  python3-pip
 BuildRequires:	python3-setuptools
+BuildRequires:	python3-setuptools_scm
+Requires:	python3-packaging
+Requires:	python3-importlib-resources
+Requires:	python3-importlib-metadata
+Requires:	python3-numpy
+Requires:	python3-pytest
+Requires:	python3-pytest-mpl
+Requires:	python3-pytest-cov
+Requires:	python3-uncertainties
 %description -n python3-pint
 Pint is a Python package to define, operate and manipulate physical
 quantities: the product of a numerical value and a unit of measurement.
@@ -107,5 +107,8 @@ mv %{buildroot}/doclist.lst .
 %{_docdir}/*
 
 %changelog
+* Tue Aug 3 2021 huangtianhua <huangtianhua@huawei.com> - 0.16.1-2
+- Adds python3-setuptools_scm as BuildRequires
+
 * Wed Nov 25 2020 Python_Bot <Python_Bot@openeuler.org>
 - Package Spec generated