diff --git a/cpuid.spec b/cpuid.spec
index 6971264..46ad8fe 100644
--- a/cpuid.spec
+++ b/cpuid.spec
@@ -1,20 +1,25 @@
 Name:          cpuid
-Version:       20201006
+Version:       20211031
 Release:       1mamba
 Summary:       Linux tool to dump x86 CPUID information about the CPU(s)
 Group:         System/Kernel and Hardware
 Vendor:        openmamba
 Distribution:  openmamba
-Packager:      Stefano Cotta Ramusino <stefano.cotta@openmamba.org>
-URL:           https://www.etallen.com/cpuid.html
+Packager:      Silvan Calarco <silvan.calarco@mambasoft.it>
+URL:           http://www.etallen.com/cpuid.html
 Source:        http://www.etallen.com/cpuid/cpuid-%{version}.src.tar.gz
 License:       GPL
-BuildRoot:     %{_tmppath}/%{name}-%{version}-root
+## AUTOBUILDREQ-BEGIN
+BuildRequires: glibc-devel
+BuildRequires: perl-devel
+## AUTOBUILDREQ-END
 
 %description
 cpuid dumps detailed information about the CPU(s) gathered from the CPUID instruction, and also determines the exact model of CPU(s).
 It supports Intel, AMD, and VIA CPUs, as well as older Transmeta, Cyrix, UMC, NexGen, Rise, and SiS CPUs. 
 
+%debug_package
+
 %prep
 %setup -q
 
@@ -25,18 +30,24 @@ It supports Intel, AMD, and VIA CPUs, as well as older Transmeta, Cyrix, UMC, Ne
 %install
 [ "%{buildroot}" != / ] && rm -rf "%{buildroot}"
 %makeinstall \
-  BUILDROOT=%{buildroot}
+  BUILDROOT=%{buildroot} \
+  INSTALL_STRIP=""
 
 %clean
 [ "%{buildroot}" != / ] && rm -rf "%{buildroot}"
 
 %files
 %defattr(-,root,root)
-%{_bindir}/*
-%{_mandir}/man1/*
-%doc ChangeLog LICENSE
+%{_bindir}/cpuid
+%{_bindir}/cpuinfo2cpuid
+%{_mandir}/man1/cpuid.1*
+%{_mandir}/man1/cpuinfo2cpuid.1*
+%doc LICENSE
 
 %changelog
+* Fri Nov 05 2021 Silvan Calarco <silvan.calarco@mambasoft.it> 20211031-1mamba
+- update to 20211031
+
 * Thu Feb 04 2021 Automatic Build System <autodist@mambasoft.it> 20201006-1mamba
 - automatic version update by autodist