diff --git a/SPECS/virt-v2v.spec b/SPECS/virt-v2v.spec
index 1cc31a2..ca011c6 100644
--- a/SPECS/virt-v2v.spec
+++ b/SPECS/virt-v2v.spec
@@ -10,7 +10,7 @@
 Name:          virt-v2v
 Epoch:         1
 Version:       1.42.0
-Release:       22%{?dist}
+Release:       22%{?dist}.inferit
 Summary:       Convert a virtual machine to run on KVM
 
 License:       GPLv2+
@@ -139,6 +139,10 @@ BuildRequires: nbdkit-python-plugin
 BuildRequires: gnupg2
 %endif
 
+# MSVSphere OS changes
+BuildRequires: genisoimage
+# end of MSVSphere OS changes
+
 Requires:      libguestfs%{?_isa} >= 1:1.42
 Requires:      libguestfs-tools-c >= 1:1.42
 
@@ -325,6 +329,9 @@ rm $RPM_BUILD_ROOT%{_mandir}/man1/virt-v2v-test-harness.1*
 
 
 %changelog
+* Mon Jun 03 2024 Eugene Zamriy <ezamriy@msvsphere-os.ru> - 1:1.42.0-22.inferit
+- Added missing genisoimage build requirement
+
 * Tue Dec 12 2023 MSVSphere Packaging Team <packager@msvsphere-os.ru> - 1:1.42.0-22
 - Rebuilt for MSVSphere 8.8