diff --git a/greatsql.spec b/greatsql.spec
index 932d810c917fa3e2c201bb9f00fcd713af20c345..f58ebb865802df4d9cf2c6dd07301d21b95fa0d0 100644
--- a/greatsql.spec
+++ b/greatsql.spec
@@ -32,7 +32,7 @@
 %global greatsql_version 26
 %global revision a68b3034c3d
 %global tokudb_backup_version %{mysql_version}-%{greatsql_version}
-%global rpm_release 3
+%global rpm_release 4
 
 %global release %{greatsql_version}.%{rpm_release}%{?dist}
 
@@ -225,7 +225,7 @@ Requires(preun):  /sbin/chkconfig
 Requires(preun):  /sbin/service
 %endif
 
-Obsoletes:      mariadb-connector-c-config
+Conflicts:      mariadb-connector-c-config
 
 %description -n greatsql-server
 GreatSQL: a high performance, highly reliable, easy to use, and high security database that can be used to replace MySQL or Percona Server.
@@ -275,9 +275,9 @@ Requires:       perl(Sys::Hostname)
 Requires:       perl(Time::HiRes)
 Requires:       perl(Time::localtime)
 Requires(pre):  greatsql-shared greatsql-client greatsql-server
-Obsoletes:      MySQL-test < %{version}-%{release}
-Obsoletes:      mysql-test < %{version}-%{release}
-Obsoletes:      mariadb-test
+Conflicts:      MySQL-test
+Conflicts:      mysql-test
+Conflicts:      mariadb-test
 Conflicts:      Percona-SQL-test-50 Percona-Server-test-51 Percona-Server-test-55 Percona-Server-test-56 Percona-Server-test-57
 
 %description -n greatsql-test
@@ -289,8 +289,8 @@ For a description of GreatSQL see https://greatsql.cn
 Summary:        GreatSQL - Development header files and libraries
 Group:          Applications/Databases
 Conflicts:      Percona-SQL-devel-50 Percona-Server-devel-51 Percona-Server-devel-55 Percona-Server-devel-56 Percona-Server-devel-57
-Obsoletes:      mariadb-connector-c-devel
-Obsoletes:      mariadb-devel
+Conflicts:      mariadb-connector-c-devel
+Conflicts:      mariadb-devel
 
 %description -n greatsql-devel
 This package contains the development header files and libraries necessary
@@ -301,7 +301,7 @@ For a description of GreatSQL see https://greatsql.cn
 %package -n greatsql-shared
 Summary:        GreatSQL - Shared libraries
 Group:          Applications/Databases
-Obsoletes:      mysql-libs < %{version}-%{release}
+Conflicts:      mysql-libs < %{version}-%{release}
 
 %description -n greatsql-shared
 This package contains the shared libraries (*.so*) which certain languages
@@ -314,7 +314,7 @@ For a description of GreatSQL see https://greatsql.cn
 Summary:        Shared compat libraries for GreatSQL %{compatver}-%{percona_compatver} database client applications
 Group:          Applications/Databases
 
-Obsoletes:      mysql-libs
+Conflicts:      mysql-libs
 
 Conflicts:      Percona-Server-shared-51
 Conflicts:      Percona-Server-shared-55
@@ -370,7 +370,7 @@ For a description of GreatSQL see https://greatsql.cn
 Summary:        Development header files and libraries for GreatSQL MySQL Router
 Group:          Applications/Databases
 Provides:       greatsql-mysql-router-devel = %{version}-%{release}
-Obsoletes:      mysql-router-devel
+Conflicts:      mysql-router-devel
 
 %description -n greatsql-mysql-router-devel
 This package contains the development header files and libraries
@@ -1343,6 +1343,9 @@ fi
 %{_libdir}/mysql/private/icudt69l/brkitr
 
 %changelog
+* Wed Dec 04 2024 Funda Wang <fundawang@yeah.net> - 8.0.32-26.4
+- use conflicts rather than obsoletes for mysql and mariadb sub packages
+
 * Tue Nov 26 2024 laokz <zhangkai@iscas.ac.cn> - 8.0.32-26.3
 - Add riscv64 patch
 - Add missed condition of packaging mysql_config-%{__isa_bits}