diff --git a/shim.spec b/shim.spec
index 9cf79cca64642c80e045645128443074f2a55297..a9996d37d81046174fdc53c9016bdb099e9d70c8 100644
--- a/shim.spec
+++ b/shim.spec
@@ -20,14 +20,14 @@
 %global shimefivendor /boot/efi/EFI/%{efi_vendor}/
 %global shimBOOT  /boot/efi/EFI/BOOT/
 
-Name:		shim
-Version:	15
+Name:		    shim
+Version:	    15
 Release:        23
-Summary:	First-stage UEFI bootloader
+Summary:	    First-stage UEFI bootloader
 ExclusiveArch:  x86_64 aarch64
-License:	BSD
-URL:		https://github.com/rhboot/shim
-Source0:	https://github.com/rhboot/shim/releases/download/%{version}/shim-%{version}.tar.bz2
+License:	    BSD
+URL:		    https://github.com/rhboot/shim
+Source0:	    https://github.com/rhboot/shim/releases/download/%{version}/shim-%{version}.tar.bz2
 Source1:        BOOTAA64.CSV
 Source2:        BOOTX64.CSV
 
@@ -56,9 +56,9 @@ Patch21:       backport-CVE-2021-3712.patch
 
 BuildRequires:	elfutils-libelf-devel openssl-devel openssl git pesign gnu-efi gnu-efi-devel gcc
 Requires:       dbxtool efi-filesystem mokutil
-Provides:	bundled(openssl) = 1.0.2j
+Provides:	    bundled(openssl) = 1.0.2j
 Provides:       shim-%{efi_arch}
-Obsoletes:      shim-%{efi_arch}
+Obsoletes:      shim-%{efi_arch} < %{version}-%{release}
 
 %description
 Initial UEFI bootloader that handles chaining to a trusted full \
@@ -151,6 +151,9 @@ cd ..
 /usr/src/debug/%{name}-%{version}-%{release}/*
 
 %changelog
+* Wed Nov 23 2022 jinlun <jinlun@huawei.com> - 15-24
+- add Obsoletes edition number
+
 * Fri Sep 16 2022 jinlun <jinlun@huawei.com> - 15-23
 - fix CVE-2017-3735 CVE-2017-3737 CVE-2018-0732 CVE-2018-0737
   CVE-2018-0739 CVE-2019-1563 CVE-2020-1971 CVE-2021-23840