diff --git a/pmix.spec b/pmix.spec
index ec404a8..8d37c2d 100644
--- a/pmix.spec
+++ b/pmix.spec
@@ -1,11 +1,12 @@
 Name:           pmix
 Version:        4.2.6
-Release:        1
+Release:        2
 Summary:        Process Management Interface Exascale (PMIx)
 License:        BSD
 URL:            https://pmix.org
 Source0:        https://github.com/openpmix/openpmix/releases/download/v%{version}/pmix-%{version}.tar.bz2
 BuildRequires:  autoconf automake flex hwloc-devel libevent-devel libtool munge-devel perl-interpreter zlib-devel
+Obsoletes:      pmix-pmi < 4.1.2  pmix-pmi-devel < 4.1.2
 
 %description
 PMI has been used for quite some time as a means of exchanging wireup information needed
@@ -72,6 +73,9 @@ find src -name \*.l -print -exec touch --no-create {} \;
 %{_bindir}/*
 
 %changelog
+* Thu Sep 21 2023 liyanan <thistleslyn@163.com> - 4.2.6-2
+- Add Obsoletes pmix-pmi pmix-pmi-devel 
+
 * Mon Sep 18 2023 yaoxin <yao_xin001@hoperun.com> - 4.2.6-1
 - Update to 4.2.6 for fix CVE-2023-41915