diff --git a/python3.spec b/python3.spec
index 3ce7b50df1fd26bad0dd5010c1bc039ee0b1dfbb..408bb82bdc3c95ead446deb3be0f932cf102760d 100644
--- a/python3.spec
+++ b/python3.spec
@@ -3,7 +3,7 @@ Summary: Interpreter of the Python3 programming language
 URL: https://www.python.org/
 
 Version: 3.9.9
-Release: 27
+Release: 28
 License: Python-2.0
 
 %global branchversion 3.9
@@ -127,6 +127,7 @@ Provides: python3-libs
 Obsoletes: python3-libs
 Provides: python3-enum34 = 1.0.4-5
 Obsoletes: python3-enum34 < 1.0.4-5
+Obsoletes: python36
 
 Recommends: python3-setuptools
 Recommends: python3-pip
@@ -844,6 +845,12 @@ export BEP_GTDLIST="$BEP_GTDLIST_TMP"
 %{_mandir}/*/*
 
 %changelog
+* Wed Sep 27 futao <futao10@huawei.com> - 3.9.9-28
+- Type:bugfix
+- CVE:NA
+- SUG:NA
+- DESC:add obsoletes python36
+
 * Fri Sep 22 renhongxun <renhongxun@h-partners.com> - 3.9.9-27
 - Type:bugfix
 - CVE:NA