diff --git a/SOURCES/redhatsecureboot301.cer b/SOURCES/redhatsecureboot301.cer
deleted file mode 100644
index 4ff8b79..0000000
Binary files a/SOURCES/redhatsecureboot301.cer and /dev/null differ
diff --git a/SOURCES/redhatsecureboot503.cer b/SOURCES/redhatsecureboot503.cer
deleted file mode 100644
index 50e375c..0000000
Binary files a/SOURCES/redhatsecureboot503.cer and /dev/null differ
diff --git a/SOURCES/redhatsecurebootca3.cer b/SOURCES/redhatsecurebootca3.cer
deleted file mode 100644
index b235400..0000000
Binary files a/SOURCES/redhatsecurebootca3.cer and /dev/null differ
diff --git a/SOURCES/redhatsecurebootca5.cer b/SOURCES/redhatsecurebootca5.cer
deleted file mode 100644
index dfb0284..0000000
Binary files a/SOURCES/redhatsecurebootca5.cer and /dev/null differ
diff --git a/SOURCES/spheresecureboot001.cer b/SOURCES/spheresecureboot001.cer
new file mode 100644
index 0000000..1cdb65a
Binary files /dev/null and b/SOURCES/spheresecureboot001.cer differ
diff --git a/SOURCES/spheresecurebootca.cer b/SOURCES/spheresecurebootca.cer
new file mode 100644
index 0000000..4db57d7
Binary files /dev/null and b/SOURCES/spheresecurebootca.cer differ
diff --git a/SPECS/fwupd.spec b/SPECS/fwupd.spec
index 3a674b9..d895d8b 100644
--- a/SPECS/fwupd.spec
+++ b/SPECS/fwupd.spec
@@ -45,7 +45,7 @@
 Summary:   Firmware update daemon
 Name:      fwupd
 Version:   1.7.9
-Release:   1%{?dist}
+Release:   1%{?dist}.inferit
 License:   LGPLv2+
 URL:       https://github.com/fwupd/fwupd
 Source0:   http://people.freedesktop.org/~hughsient/releases/%{name}-%{version}.tar.xz
@@ -58,12 +58,9 @@ Source13:  http://people.redhat.com/rhughes/dbx/DBXUpdate-20200729-aa64.cab
 Source14:  http://people.redhat.com/rhughes/dbx/DBXUpdate-20200729-ia32.cab
 Source15:  http://people.redhat.com/rhughes/dbx/DBXUpdate-20200729-x64.cab
 
-# these are numbered high just to keep them wildly away from colliding with
-# the real package sources, in order to reduce churn.
-Source300:   redhatsecurebootca3.cer
-Source301:   redhatsecureboot301.cer
-Source500:   redhatsecurebootca5.cer
-Source503:   redhatsecureboot503.cer
+# MSVSphere secureboot certificates
+Source1000: spheresecurebootca.cer
+Source1001: spheresecureboot001.cer
 
 BuildRequires: gettext
 BuildRequires: glib2-devel >= %{glib2_version}
@@ -224,11 +221,11 @@ tar xfvs %{SOURCE2} -C subprojects/fwupd-efi --strip-components=1
     -Dplugin_uefi_pk=true \
     -Defi_os_dir=%{efi_vendor} \
 %ifarch x86_64
-    -Dfwupd-efi:efi_sbat_distro_id="rhel" \
-    -Dfwupd-efi:efi_sbat_distro_summary="Red Hat Enterprise Linux" \
+    -Dfwupd-efi:efi_sbat_distro_id="msvsphere" \
+    -Dfwupd-efi:efi_sbat_distro_summary="MSVSphere" \
     -Dfwupd-efi:efi_sbat_distro_pkgname="%{name}" \
     -Dfwupd-efi:efi_sbat_distro_version="%{version}" \
-    -Dfwupd-efi:efi_sbat_distro_url="mail:secalert@redhat.com" \
+    -Dfwupd-efi:efi_sbat_distro_url="mailto:security@msvsphere.ru" \
     -Dfwupd-efi:efi-libdir="/usr/lib64" \
 %endif
     -Dplugin_tpm=true \
@@ -277,9 +274,7 @@ install %{SOURCE10} %{SOURCE11} %{SOURCE12} %{SOURCE13} %{SOURCE14} %{SOURCE15}
 %ifarch x86_64
 %global efiarch x64
 %global fwup_efi_fn $RPM_BUILD_ROOT%{_libexecdir}/fwupd/efi/fwupd%{efiarch}.efi
-%pesign -s -i %{fwup_efi_fn} -o %{fwup_efi_fn}.tmp -a %{SOURCE300} -c %{SOURCE301} -n redhatsecureboot301
-%pesign -s -i %{fwup_efi_fn}.tmp -o %{fwup_efi_fn}.signed -a %{SOURCE500} -c %{SOURCE503} -n redhatsecureboot503
-rm -fv %{fwup_efi_fn}.tmp
+%pesign -s -i %{fwup_efi_fn} -o %{fwup_efi_fn}.signed -a %{SOURCE1000} -c %{SOURCE1001} -n spheresecureboot001
 %endif
 
 mkdir -p --mode=0700 $RPM_BUILD_ROOT%{_localstatedir}/lib/fwupd/gnupg
@@ -537,8 +532,9 @@ done
 %endif
 
 %changelog
-* Wed Mar 15 2023 MSVSphere Packaging Team <packager@msvsphere.ru> - 1.7.9-1
-- Rebuilt for MSVSphere 9.1.
+* Mon Mar 27 2023 Eugene Zamriy <ezamriy@msvsphere.ru> - 1.7.9-1.inferit
+- Modified to use MSVSphere Secure Boot certificates
+- Rebuilt for MSVSphere 9.1
 
 * Mon Jul 25 2022 Richard Hughes <richard@hughsie.com> 1.7.8-1
 - New upstream release