diff --git a/libvirt.spec b/libvirt.spec
index 9e492e7..629ca39 100644
--- a/libvirt.spec
+++ b/libvirt.spec
@@ -3,7 +3,7 @@
 
 Name:          libvirt
 Version:       2.4.0
-Release:       2mamba
+Release:       3mamba
 Summary:       Virtualization API
 Group:         Development/Libraries
 Vendor:        openmamba
@@ -60,14 +60,16 @@ BuildRequires: libxml2-devel
 BuildRequires: libyajl-devel
 BuildRequires: libz-devel
 ## AUTOBUILDREQ-END
+%ifnarch arm
+BuildRequires: libxen-devel >= 4.8.0-1mamba
+%endif
 %ifarch %{ix86} x86_64
 BuildRequires: libsmbios-devel
 %endif
 BuildRequires: libyajl-devel
 BuildRequires: libpcap-devel >= 1.2
-BuildRequires: systemtap-sdt-devel
+#BuildRequires: systemtap-sdt-devel
 %ifnarch arm
-BuildRequires: libxen-devel
 %endif
 Requires:      dnsmasq
 Requires:      ebtables
@@ -230,7 +232,9 @@ fi
 %{_datadir}/augeas/lenses/tests/test_*.aug
 %{_datadir}/polkit-1/actions/org.libvirt.api.policy
 %{_datadir}/polkit-1/rules.d/50-libvirt.rules
+%ifarch arm
 %{_datadir}/systemtap/tapset/libvirt_*.stp
+%endif
 %dir %{_localstatedir}/log/libvirt
 %dir %{_localstatedir}/log/libvirt/lxc
 %dir %{_localstatedir}/log/libvirt/uml
@@ -323,6 +327,9 @@ fi
 #%doc ChangeLog NEWS README TODO
 
 %changelog
+* Sat Dec 10 2016 Silvan Calarco <silvan.calarco@mambasoft.it> 2.4.0-3mamba
+- rebuilt by autoport with build requirements: libxen-devel>=4.8.0-1mamba
+
 * Thu Nov 17 2016 Silvan Calarco <silvan.calarco@mambasoft.it> 2.4.0-2mamba
 - don't replace networks/default.xml and networks/autostart/default.xml