diff --git a/trytond.changes b/trytond.changes
index ae03c32..3e47d71 100644
--- a/trytond.changes
+++ b/trytond.changes
@@ -1,3 +1,8 @@
+-------------------------------------------------------------------
+Tue Jun 12 19:04:04 UTC 2018 - axel.braun@gmx.de
+
+- boo#1096706 set postgres96 using update-alternatives (openQA failure)
+
 -------------------------------------------------------------------
 Mon Jun 11 09:20:09 UTC 2018 - axel.braun@gmx.de
 
diff --git a/trytond.spec b/trytond.spec
index d498f8d..1e4669d 100644
--- a/trytond.spec
+++ b/trytond.spec
@@ -2,7 +2,7 @@
 # spec file for package trytond
 #
 # Copyright (c) 2018 SUSE LINUX GmbH, Nuernberg, Germany.
-# Copyright (c) 2015, 2016 Dr. Axel Braun
+# Copyright (c) 2015 - 2018 Dr. Axel Braun
 #
 # All modifications and additions to the file contributed by third parties
 # remain the property of their copyright owners, unless otherwise agreed
@@ -45,9 +45,10 @@ BuildRequires:  python3-psycopg2
 BuildRequires:  python3-pydot3
 BuildRequires:  python3-python-sql
 BuildRequires:  python3-setuptools
-#BuildRequires:  python3-simplejson
 BuildRequires:  python3-wrapt
 BuildRequires:  systemd-rpm-macros
+BuildRequires:	postgresql
+BuildRequires:	postgresql96-server
 Requires:       libreoffice-pyuno
 Requires:       postgresql96-server
 Requires:       python3-Genshi
@@ -67,12 +68,12 @@ Requires:       python3-wrapt
 Requires:       unoconv
 Requires(pre): 	/usr/sbin/groupadd
 Requires(pre): 	/usr/sbin/useradd
+# Post requires update-alternatives to install tool update-alternatives.
+Requires(post): update-alternatives
+
 BuildRoot:      %{_tmppath}/%{name}-%{version}-build
 BuildArch:      noarch
 
-Conflicts:      postgresql10-server
-Conflicts:      postgresql10
-
 %{?systemd_requires}
 
 %description
@@ -113,7 +114,8 @@ getent passwd tryton > /dev/null || %{_sbindir}/useradd -r -g tryton \
 
 %post
 %service_add_post trytond.service
-##update-alternatives --set postgresql /usr/lib/postgresql96
+# Postgresql 96 is required for tryton series 4.2.x!
+update-alternatives --set postgresql /usr/lib/postgresql96
 
 %preun
 %service_del_preun trytond.service