diff --git a/clusterssh.spec b/clusterssh.spec
index 4af8819..c154472 100644
--- a/clusterssh.spec
+++ b/clusterssh.spec
@@ -1,8 +1,8 @@
 %define        perl_major_ver  %(eval `perl -V:version`; echo ${version%*.[0-9]*}.0)
-%define        pkgver          %(echo $(echo %version | cut -d. -f1,2)_$(echo %version | cut -d. -f3))
+#% define        pkgver          %(echo $(echo %version | cut -d. -f1,2)_$(echo %version | cut -d. -f3))
 
 Name:          clusterssh
-Version:       4.02.04
+Version:       4.05
 Release:       1mamba
 Summary:       Cluster Admin Via SSH
 Group:         System/Libraries/Perl
@@ -10,15 +10,19 @@ Vendor:        openmamba
 Distribution:  openmamba
 Packager:      Stefano Cotta Ramusino <stefano.cotta@openmamba.org>
 URL:           http://www.cpan.org
-Source:        http://search.cpan.org/CPAN/authors/id/D/DU/DUNCS/App-ClusterSSH-%{pkgver}.tar.gz
+Source:        http://search.cpan.org/CPAN/authors/id/D/DU/DUNCS/App-ClusterSSH-%{version}.tar.gz
 License:       GPL, Artistic
 ## AUTOBUILDREQ-BEGIN
+BuildRequires: libperl
 BuildRequires: perl-Exception-Class
 BuildRequires: perl-Tk
 BuildRequires: perl-Try-Tiny
 BuildRequires: perl-X11-Protocol
 BuildRequires: perl-devel
 ## AUTOBUILDREQ-END
+BuildRequires: perl-Test-Trap
+BuildRequires: perl-Test-PerlTidy
+BuildRequires: perl-CPAN-Changes
 Requires:      perl >= %perl_major_ver
 Requires:      perl-Exception-Class
 Requires:      perl-Tk
@@ -34,15 +38,19 @@ Any text typed into the administration console is replicated to all windows.
 All windows may also be typed into directly.
 
 %prep
-%setup -q -n App-ClusterSSH-%{pkgver}
+%setup -q -n App-ClusterSSH-%{version}
 
 %build
-%{__perl} Makefile.PL PREFIX=%{_prefix} INSTALLDIRS=vendor OPTIMIZE="%{optflags}"
-%make
+%{__perl} Build.PL installdirs=vendor
+./Build
+./Build test
 
 %install
 [ "%{buildroot}" != / ] && rm -rf "%{buildroot}"
-%makeinstall_perl
+./Build install \
+   destdir="%{buildroot}" \
+   --install_path bindoc="%{_mandir}/man1" \
+   --install_path libdoc="%{_mandir}/man3"
 
 packlist=`find %{buildroot} -name .packlist`
 [ -z "$packlist" ] && exit 1 || cat $packlist | \
@@ -59,9 +67,13 @@ done
 
 %files -f .packlist
 %defattr(-,root,root)
-%doc AUTHORS Changes THANKS
+%doc AUTHORS THANKS
+#Changes
 
 %changelog
+* Sun Nov 29 2015 Silvan Calarco <silvan.calarco@mambasoft.it> 4.05-1mamba
+- update to 4.05
+
 * Sun May 25 2014 Automatic Build System <autodist@mambasoft.it> 4.02.04-1mamba
 - automatic version update by autodist