diff --git a/shadow.spec b/shadow.spec
index 6af5e81..e2fe6da 100644
--- a/shadow.spec
+++ b/shadow.spec
@@ -1,14 +1,14 @@
 %define shadowgroupid 15
 Summary:       Utilities for managing shadow password files and user/group accounts
 Name:          shadow
-Version:       4.2.1
+Version:       4.5
 Group:         Applications/Security
-Release:       1mamba
+Release:       2mamba
 Vendor:        openmamba
 Distribution:  openmamba
 Packager:      Silvan Calarco <silvan.calarco@mambasoft.it>
 URL:           http://pkg-shadow.alioth.debian.org/
-Source0:       http://pkg-shadow.alioth.debian.org/releases/shadow-%{version}.tar.xz
+Source0:       https://github.com/shadow-maint/shadow/releases/download/%{version}/shadow-%{version}.tar.xz
 Source1:       shadow-useradd
 Source2:       shadow-pam-shadow
 Source3:       shadow-pam-useradd
@@ -23,16 +23,24 @@ Patch4:        %{name}-4.1.4.2-cross_compile.patch
 License:       BSD
 ## AUTOBUILDREQ-BEGIN
 BuildRequires: glibc-devel
+BuildRequires: libacl-devel
+BuildRequires: libattr-devel
+BuildRequires: libaudit-devel
 BuildRequires: libcrack-devel
+BuildRequires: libpam-devel
 %if "%{stage1}" != "1"
 BuildRequires: libselinux-devel
+BuildRequires: libsepol-devel
 %endif
 BuildRequires: pam-devel
 ## AUTOBUILDREQ-END
-Requires:      pam >= 0.77, shadow-common == %{version}
 BuildRequires: skey-devel
+Requires:      pam >= 0.77
+Requires:      shadow-common == %{version}-%{release}
 BuildRoot:     %{_tmppath}/%{name}-%{version}-root
 Provides:      shadowtool
+Provides:      pwdutils
+Obsoletes:     pwdutils
 
 %description
 The shadow package includes the necessary programs for converting UNIX password files to the shadow password format, plus programs for managing user and group accounts.  
@@ -50,6 +58,13 @@ Group:         Applications/Security
 %description common
 The shadow-common package includes the necessary programs for converting UNIX password files to the shadow password format, plus programs for managing user and group accounts.
 
+%package extra
+Summary:       Extra tools provided also by util-linux
+Group:         Applications/Security
+
+%description extra
+The shadow-common package includes the necessary programs for converting UNIX password files to the shadow password format, plus programs for managing user and group accounts.
+
 %prep
 [ "%{buildroot}" != / ] && rm -rf %{buildroot}
 
@@ -125,9 +140,6 @@ cp %{SOURCE6} %{buildroot}%{_sysconfdir}/pam.d/login
 
 #touch %{buildroot}%{_sysconfdir}/shadow
 
-# remove su
-rm %{buildroot}/bin/su %{buildroot}%{_mandir}/man1/su.*
-
 %find_lang shadow
 
 for l in cs da de fi fr hu id it ja ko pl pt_BR ru sv tr zh_CN zh_TW; do
@@ -170,38 +182,28 @@ if [ -e /etc/shadow.rpmsave ]; then
    if [ "$NEWPWD" == "" -o "$NEWPWD" == "!" -o "$NEWPWD" == "x" ]; then
       if [ "$SAVEPWD" != "!" -a "$SAVEPWD" != "" -a "$SAVEPWD" != "x" ]; then
          mv /etc/shadow.rpmsave /etc/shadow
-         chmod 0640 /etc/shadow
-         chgrp shadow /etc/shadow
       else
          echo "Unexpected error updating /etc/shadow file: root password was lost, recover needed!"
       fi
    fi
 fi
+chmod 0640 /etc/shadow
+chgrp shadow /etc/shadow
 exit 0
 
 %files -f shadow-main.man
 %defattr(-,root,root)
-%{_sysconfdir}/login.access
-%{_sysconfdir}/login.defs
-%attr(644,root,root) %config /etc/pam.d/login
-/bin/login
 %{_bindir}/chage
-%{_bindir}/chfn
-%{_bindir}/chsh
 %{_bindir}/expiry
 %{_bindir}/gpasswd
 %{_bindir}/newgrp
 %{_bindir}/passwd
 %{_bindir}/sg
 %{_sbindir}/*
-/sbin/nologin
 %exclude %{_sbindir}/newusers
 %{_sysconfdir}/default/useradd
 %attr(644,root,root) %config /etc/pam.d/passwd
 %attr(644,root,root) %config /etc/pam.d/shadow
-%attr(644,root,root) %config /etc/pam.d/chfn
-%attr(644,root,root) %config /etc/pam.d/chsh
-%attr(644,root,root) %config /etc/pam.d/su
 %attr(644,root,root) %config /etc/pam.d/useradd
 %attr(644,root,root) %config /etc/pam.d/userdel
 %attr(644,root,root) %config /etc/pam.d/usermod
@@ -210,6 +212,11 @@ exit 0
 %attr(644,root,root) %config /etc/pam.d/groupmod
 %attr(644,root,root) %config /etc/pam.d/chage
 %attr(644,root,root) %config /etc/pam.d/chpasswd
+%exclude %{_mandir}/man1/chfn.1*
+%exclude %{_mandir}/man1/chsh.1*
+%exclude %{_mandir}/man1/login.1*
+%exclude %{_mandir}/man1/su.1*
+%exclude %{_mandir}/man8/nologin.8*
 
 %files common -f shadow.lang
 %defattr(-,root,root)
@@ -226,7 +233,32 @@ exit 0
 %{_bindir}/newuidmap
 %{_sbindir}/newusers
 
+%files extra
+%defattr(-,root,root)
+%{_sysconfdir}/login.access
+%{_sysconfdir}/login.defs
+%attr(644,root,root) %config /etc/pam.d/login
+%attr(644,root,root) %config /etc/pam.d/chfn
+%attr(644,root,root) %config /etc/pam.d/chsh
+%attr(644,root,root) %config /etc/pam.d/su
+/bin/login
+/bin/su
+%{_bindir}/chfn
+%{_bindir}/chsh
+/sbin/nologin
+%{_mandir}/man1/chfn.1*
+%{_mandir}/man1/chsh.1*
+%{_mandir}/man1/login.1*
+%{_mandir}/man1/su.1*
+%{_mandir}/man8/nologin.8*
+
 %changelog
+* Mon Nov 06 2017 Silvan Calarco <silvan.calarco@mambasoft.it> 4.5-2mamba
+- move to shadow-extra files conflicting with util-linux
+
+* Sun Nov 05 2017 Silvan Calarco <silvan.calarco@mambasoft.it> 4.5-1mamba
+- update to 4.5
+
 * Wed Jun 04 2014 Silvan Calarco <silvan.calarco@mambasoft.it> 4.2.1-1mamba
 - update to 4.2.1