diff --git a/python-xmltodict.spec b/python-xmltodict.spec
index 1ec67d2e148348e245365931c9eb2589a535c0c7..f9d6c7ce3b56f63ba1f17a2e85d9c3a989636c94 100644
--- a/python-xmltodict.spec
+++ b/python-xmltodict.spec
@@ -2,7 +2,7 @@
 
 Name:           python-xmltodict
 Version:        0.12.0
-Release:        3
+Release:        4
 Summary:        Python module that makes working with XML feel like you are working with JSON 
 License:        MIT
 URL:            https://github.com/martinblech/xmltodict
@@ -15,7 +15,7 @@ Python module that makes working with XML feel like you are working with JSON
 
 %package -n python3-xmltodict
 Summary:        Python module that makes working with XML feel like you are working with JSON 
-BuildRequires:       python3-pytest
+BuildRequires:       python3-pytest expat-devel
 BuildRequires:       python3-devel
 BuildRequires:       python3-setuptools
 %{?python_provide:%python_provide python3-xmltodict}
@@ -42,6 +42,9 @@ Python module that makes working with XML feel like you are working with JSON
 
 
 %changelog
+* Tue Mar 8 2022 baizhonggui <baizhonggui@huawei.com> - 0.12.0-4
+- add expat-devel build require to fix build error
+
 * Fri Sep 17 2021 wangyue <wangyue92@huawei.com> - 0.12.0-3
 - add provide python-xmltodict