diff --git a/glibc.spec b/glibc.spec
index 6385dcd..b7c613c 100644
--- a/glibc.spec
+++ b/glibc.spec
@@ -66,7 +66,7 @@
 ##############################################################################
 Name: 	 	glibc
 Version: 	2.34
-Release: 	91
+Release: 	92
 Summary: 	The GNU libc libraries
 License:	%{all_license}
 URL: 		http://www.gnu.org/software/glibc/
@@ -334,7 +334,7 @@ Summary: All language packs for %{name}.
 Requires: %{name} = %{version}-%{release}
 Requires: %{name}-common = %{version}-%{release}
 Provides: %{name}-langpack = %{version}-%{release}
-Obsoletes: %{name}-minimal-langpack = 2.28
+Obsoletes: %{name}-minimal-langpack <= 2.28
 
 %{lua:
 -- List the Symbol provided by all-langpacks
@@ -342,7 +342,7 @@ lang_provides = {}
 for line in io.lines(rpm.expand("%{SOURCE5}")) do
     print(rpm.expand([[
 Provides:]]..line..[[ = %{version}-%{release} 
-Obsoletes:]]..line..[[ = 2.28 
+Obsoletes:]]..line..[[ <= 2.28
 ]]))
 end
 }
@@ -400,8 +400,8 @@ Provides: %{name}-headers = %{version}-%{release}
 Provides: %{name}-headers(%{_target_cpu})
 Provides: %{name}-headers%{_isa} = %{version}-%{release}
 
-Obsoletes: %{name}-static = 2.28
-Obsoletes: %{name}-headers = 2.28
+Obsoletes: %{name}-static <= 2.28
+Obsoletes: %{name}-headers <= 2.28
 
 %description devel
 The glibc-devel package contains the object files necessary for developing
@@ -436,7 +436,7 @@ Provides: nss_db = %{version}-%{release}
 Provides: nss_db%{_isa} = %{version}-%{release}
 Provides: nss_hesiod = %{version}-%{release}
 Provides: nss_hesiod%{_isa} = %{version}-%{release}
-Obsoletes: nss_db = 2.28, nss_hesiod = 2.28
+Obsoletes: nss_db <= 2.28, nss_hesiod <= 2.28
 
 %description -n nss_modules
 This package contains nss_db and nss_hesiod. The former uses hash-indexed files
@@ -490,7 +490,7 @@ Requires: %{name} = %{version}-%{release}
 Provides: %{name}-utils = %{version}-%{release}
 Provides: %{name}-utils%{_isa} = %{version}-%{release}
 
-Obsoletes: %{name}-utils = 2.28
+Obsoletes: %{name}-utils <= 2.28
 
 %description debugutils
 This package provides memusage, a memory usage profiler, mtrace, a memory leak
@@ -1407,6 +1407,9 @@ fi
 %endif
 
 %changelog
+* Thu Jul 28 2022 Qingqing Li <liqingqing3@huawei.com> - 2.34-92
+- optimize Obsoletes version
+
 * Wed Jul 6 2022 Yang Yanchao <yangyanchao6@huawei.com> - 2.34-91
 - add libpthread_nonshared.a in glibc-compat-2.17 for old applications