diff --git a/python-zdaemon.changes b/python-zdaemon.changes
index 0662f80..5899ce8 100644
--- a/python-zdaemon.changes
+++ b/python-zdaemon.changes
@@ -1,3 +1,11 @@
+-------------------------------------------------------------------
+Sat Jun 24 13:13:12 UTC 2017 - aloisio@gmx.com
+
+- Update to version 4.2.0:
+  * Add support for Python 3.5.
+  * Drop support for Python 2.6 and 3.2.
+- Converted to single-spec
+
 -------------------------------------------------------------------
 Fri May 15 09:19:11 UTC 2015 - benoit.monin@gmx.fr
 
diff --git a/python-zdaemon.spec b/python-zdaemon.spec
index 8043f7a..3326a56 100644
--- a/python-zdaemon.spec
+++ b/python-zdaemon.spec
@@ -1,7 +1,7 @@
 #
 # spec file for package python-zdaemon
 #
-# Copyright (c) 2015 SUSE LINUX GmbH, Nuernberg, Germany.
+# Copyright (c) 2017 SUSE LINUX GmbH, Nuernberg, Germany.
 #
 # All modifications and additions to the file contributed by third parties
 # remain the property of their copyright owners, unless otherwise agreed
@@ -17,27 +17,26 @@
 
 
 %define modname zdaemon
-
+%{?!python_module:%define python_module() python-%{**} python3-%{**}}
 Name:           python-%{modname}
-Version:        4.1.0
+Version:        4.2.0
 Release:        0
 Summary:        Daemon process control library and tools
 License:        ZPL-2.1
 Group:          Development/Languages/Python
 Url:            https://github.com/zopefoundation/zdaemon
-Source:         https://pypi.python.org/packages/source/z/zdaemon/%{modname}-%{version}.zip
-BuildRequires:  python-devel
-BuildRequires:  python-setuptools
-BuildRequires:  unzip
-Requires(post):  update-alternatives
-Requires(postun):  update-alternatives
+Source:         https://files.pythonhosted.org/packages/source/z/zdaemon/%{modname}-%{version}.tar.gz
+BuildRequires:  %{python_module ZConfig}
+BuildRequires:  %{python_module devel}
+BuildRequires:  %{python_module setuptools}
+BuildRequires:  fdupes
+BuildRequires:  python-rpm-macros
 Requires:       python-ZConfig
+Requires(post): update-alternatives
+Requires(preun): update-alternatives
 BuildRoot:      %{_tmppath}/%{name}-%{version}-build
-%if 0%{?suse_version} && 0%{?suse_version} <= 1110
-%{!?python_sitelib: %global python_sitelib %(python -c "from distutils.sysconfig import get_python_lib; print get_python_lib()")}
-%else
 BuildArch:      noarch
-%endif
+%python_subpackages
 
 %description
 zdaemon is a Python package which provides APIs for managing
@@ -47,35 +46,29 @@ although it is not limited to running Python-based applications
 
 %prep
 %setup -q -n %{modname}-%{version}
-sed -i "s|%{modname} =|%{modname}-%{py_ver} =|" setup.py
 # remove unwanted shebang
 sed -i '1 { /^#!/ d }' src/zdaemon/tests/nokill.py
+rm -rf src/zdaemon.egg-info
 
 %build
-python setup.py build
+%python_build
 
 %install
-python setup.py install --prefix=%{_prefix} --root=%{buildroot}
-# create a dummy target for /etc/alternatives/zdaemon
-mkdir -p %{buildroot}%{_sysconfdir}/alternatives
-touch %{buildroot}%{_sysconfdir}/alternatives/%{modname}
-ln -s -f %{_sysconfdir}/alternatives/%{modname} %{buildroot}/%{_bindir}/%{modname}
+%python_install
+%python_expand %fdupes -s %{buildroot}%{$python_sitelib}
+
+%python_clone -a %{buildroot}%{_bindir}/zdaemon
 
 %post
-update-alternatives \
-    --install %{_bindir}/%{modname} %{modname} %{_bindir}/%{modname}-%{py_ver} 20
+%python_install_alternative zdaemon
 
 %postun
-if [ $1 -eq 0 ] ; then
-    update-alternatives --remove %{modname} %{_bindir}/%{modname}-%{py_ver}
-fi
+%python_uninstall_alternative zdaemon
 
-%files
+%files %{python_files}
 %defattr(-,root,root)
 %doc README.rst CHANGES.rst LICENSE.txt
-%ghost %{_sysconfdir}/alternatives/%{modname}
+%python_alternative %{_bindir}/zdaemon
 %{python_sitelib}/*
-%{_bindir}/%{modname}
-%{_bindir}/%{modname}-%{py_ver}
 
 %changelog
diff --git a/zdaemon-4.1.0.zip b/zdaemon-4.1.0.zip
deleted file mode 100644
index 02ce36f..0000000
--- a/zdaemon-4.1.0.zip
+++ /dev/null
@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:185b374ab49f928bbcdb7572c5cd7c3a9e75324a005ce73dfee4208ce10ab1f9
-size 74287
diff --git a/zdaemon-4.2.0.tar.gz b/zdaemon-4.2.0.tar.gz
new file mode 100644
index 0000000..a4c0318
--- /dev/null
+++ b/zdaemon-4.2.0.tar.gz
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:ee7b118069e7e6a5ea93df8aabaa0b6549dff4414fda259d0efc036c5c73e1bf
+size 56874