diff --git a/yp-tools.spec b/yp-tools.spec
index fef48b2..4c16e84 100644
--- a/yp-tools.spec
+++ b/yp-tools.spec
@@ -1,13 +1,13 @@
 Name:          yp-tools
-Version:       4.2.2
+Version:       4.2.3
 Release:       1mamba
 Summary:       Network Information Service (YP) client utilities
 Group:         System/Tools
 Vendor:        openmamba
 Distribution:  openmamba
 Packager:      Silvan Calarco <silvan.calarco@mambasoft.it>
-URL:           http://www.linux-nis.org/nis/yp-tools/
-Source:        http://www.linux-nis.org/download/yp-tools/yp-tools-%{version}.tar.bz2
+URL:           https://github.com/thkukuk/yp-tools
+Source:        https://github.com/thkukuk/yp-tools.git/v%{version}/yp-tools-%{version}.tar.bz2
 License:       GPL
 ## AUTOBUILDREQ-BEGIN
 BuildRequires: glibc-devel
@@ -16,7 +16,6 @@ BuildRequires: libkrb5-devel
 BuildRequires: libnsl-devel
 BuildRequires: libtirpc-devel
 ## AUTOBUILDREQ-END
-BuildRoot:     %{_tmppath}/%{name}-%{version}-root
 
 %description
 Network Information Service (YP) client utilities.
@@ -26,6 +25,7 @@ The yp-tools package contains the programs domainname, nisdomainname, ypcat, ypc
 
 %prep
 %setup -q
+./autogen.sh
 
 %build
 %configure
@@ -54,6 +54,7 @@ The yp-tools package contains the programs domainname, nisdomainname, ypcat, ypc
 %{_sbindir}/yp_dump_binding
 %{_sbindir}/yppoll
 %{_sbindir}/ypset
+%{_sbindir}/yptest
 %{_mandir}/man1/ypcat.1*
 %{_mandir}/man1/ypchfn.1*
 %{_mandir}/man1/ypchsh.1*
@@ -71,5 +72,8 @@ The yp-tools package contains the programs domainname, nisdomainname, ypcat, ypc
 %doc AUTHORS COPYING THANKS
 
 %changelog
+* Sun Mar 28 2021 Silvan Calarco <silvan.calarco@mambasoft.it> 4.2.3-1mamba
+- update to 4.2.3
+
 * Sat Sep 30 2017 Silvan Calarco <silvan.calarco@mambasoft.it> 4.2.2-1mamba
 - package created using the webbuild interface