diff --git a/kexec-tools.spec b/kexec-tools.spec
index 20a3797..6cc36a8 100644
--- a/kexec-tools.spec
+++ b/kexec-tools.spec
@@ -1,12 +1,12 @@
 Name:          kexec-tools
 Version:       2.0.23
-Release:       1mamba
+Release:       2mamba
 Summary:       Load one kernel from another
 Group:         System/Kernel and Hardware
 Vendor:        openmamba
 Distribution:  openmamba
 Packager:      Silvan Calarco <silvan.calarco@mambasoft.it>
-URL:           https://mirrors.edge.kernel.org/pub/linux/utils/kernel/kexec/README.html
+URL:           https://mirrors.edge.kernel.org/pub/linux/utils/kernel/kexec/
 Source:        http://www.kernel.org/pub/linux/utils/kernel/kexec/kexec-tools-%{version}.tar.xz
 Patch0:        kexec-tools-2.0.13-arm-missing-files.patch
 Patch1:        kexec-tools-2.0.20-x86-fix.patch
@@ -19,6 +19,9 @@ BuildRequires: liblzma-devel
 BuildRequires: libxen-devel
 %endif
 BuildRequires: libz-devel
+%ifarch %{ix86} x86_64
+BuildRequires: libxen-devel >= 4.16.0
+%endif
 ## AUTOBUILDREQ-END
 
 %description
@@ -64,6 +67,9 @@ The panic case is useful for having an intact kernel for writing crash dumps.  B
 #TODO
 
 %changelog
+* Sat Jan 01 2022 Silvan Calarco <silvan.calarco@mambasoft.it> 2.0.23-2mamba
+- rebuilt with libxen 4.16.0
+
 * Wed Nov 10 2021 Automatic Build System <autodist@mambasoft.it> 2.0.23-1mamba
 - automatic version update by autodist