diff --git a/python-flask.spec b/python-flask.spec
index 056596218a894189e25f53517651cef661ff9aae..bcf82aed709c23e024bb45077070301e36d7d45d 100644
--- a/python-flask.spec
+++ b/python-flask.spec
@@ -1,6 +1,6 @@
 Name:            python-flask
 Version:         1.1.2
-Release:         1
+Release:         3
 Epoch:           1
 Summary:         A lightweight WSGI web application framework
 License:         BSD
@@ -51,6 +51,12 @@ PYTHONPATH=%{buildroot}%{python3_sitelib} py.test-%{python3_version} -v || :
 %{python3_sitelib}/*
 
 %changelog
+* Wed Oct 27 2021 Haiwei Li<lihaiwei8@huawei.com> - 1.1.2-3
+- backport add require pythonx-simplejson. details see issue #I4CGIS
+
+* Thu Sep 30 2021 Jiachen Fan<fanjiachen3@huawei.com> - 1.1.2-2
+- add missing install Requires python3-simplejson
+
 * Thu Feb 04 2021 zhaorenhai <zhaorenhai@hotmail.com> - 1.1.2-1
 - Upgrade version to 1.1.2