diff --git a/SPECS/sphere-release.spec b/SPECS/sphere-release.spec
index 4d910ae..33c633b 100644
--- a/SPECS/sphere-release.spec
+++ b/SPECS/sphere-release.spec
@@ -6,7 +6,7 @@
 
 Name:           sphere-release
 Version:        %{major}.%{minor}
-Release:        2%{?dist}
+Release:        3%{?dist}
 Summary:        %{distro} release files
 License:        GPLv2
 URL:            https://msvsphere-os.ru
@@ -78,6 +78,7 @@ Requires:   sphere-release = %{version}-%{release}
 
 Requires:   sphere-repos(%{version})
 Requires:   sphere-release-identity = %{version}-%{release}
+Obsoletes:  redhat-release-server < %{version}-%{release}
 
 %description common
 Release files common to all Editions and Spins of MSVSphere
@@ -432,6 +433,9 @@ install -p -m 0644 %{SOURCE100} %{buildroot}%{_sysconfdir}/pki/rpm-gpg/
 
 
 %changelog
+* Mon Mar 11 2024 Arkady L. Shane <tigro@msvsphere-os.ru> - 8.9-3
+- Obsoletes redhat-release-server
+
 * Wed Jan 24 2024 Arkady L. Shane <tigro@msvsphere-os.ru> - 8.9-2
 - rename CRB to PowerTools