diff --git a/python-zdaemon.changes b/python-zdaemon.changes
index b2b8584..6ff4183 100644
--- a/python-zdaemon.changes
+++ b/python-zdaemon.changes
@@ -1,3 +1,11 @@
+-------------------------------------------------------------------
+Tue Apr  9 10:53:45 UTC 2019 - Marketa Calabkova <mcalabkova@suse.com>
+
+- update to version 4.3
+  * Add support for Python 3.6 and 3.7.
+  * Drop support for Python 3.3.
+- Launch tests.
+
 -------------------------------------------------------------------
 Tue Dec  4 12:56:25 UTC 2018 - Matej Cepl <mcepl@suse.com>
 
diff --git a/python-zdaemon.spec b/python-zdaemon.spec
index 14f0e74..8afd552 100644
--- a/python-zdaemon.spec
+++ b/python-zdaemon.spec
@@ -1,7 +1,7 @@
 #
 # spec file for package python-zdaemon
 #
-# Copyright (c) 2018 SUSE LINUX GmbH, Nuernberg, Germany.
+# Copyright (c) 2019 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
@@ -19,7 +19,7 @@
 %define modname zdaemon
 %{?!python_module:%define python_module() python-%{**} python3-%{**}}
 Name:           python-%{modname}
-Version:        4.2.0
+Version:        4.3
 Release:        0
 Summary:        Daemon process control library and tools
 License:        ZPL-2.1
@@ -27,7 +27,12 @@ Group:          Development/Languages/Python
 URL:            https://github.com/zopefoundation/zdaemon
 Source:         https://files.pythonhosted.org/packages/source/z/zdaemon/%{modname}-%{version}.tar.gz
 BuildRequires:  %{python_module ZConfig}
+BuildRequires:  %{python_module manuel}
+BuildRequires:  %{python_module mock}
 BuildRequires:  %{python_module setuptools}
+BuildRequires:  %{python_module zc.customdoctests}
+BuildRequires:  %{python_module zope.testing}
+BuildRequires:  %{python_module zope.testrunner}
 BuildRequires:  fdupes
 BuildRequires:  python-rpm-macros
 Requires:       python-ZConfig
@@ -53,10 +58,13 @@ rm -rf src/zdaemon.egg-info
 
 %install
 %python_install
-%python_expand %fdupes -s %{buildroot}%{$python_sitelib}
+%python_expand %fdupes %{buildroot}%{$python_sitelib}
 
 %python_clone -a %{buildroot}%{_bindir}/zdaemon
 
+%check
+%python_exec setup.py test
+
 %post
 %python_install_alternative zdaemon
 
diff --git a/zdaemon-4.2.0.tar.gz b/zdaemon-4.2.0.tar.gz
deleted file mode 100644
index a4c0318..0000000
--- a/zdaemon-4.2.0.tar.gz
+++ /dev/null
@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:ee7b118069e7e6a5ea93df8aabaa0b6549dff4414fda259d0efc036c5c73e1bf
-size 56874
diff --git a/zdaemon-4.3.tar.gz b/zdaemon-4.3.tar.gz
new file mode 100644
index 0000000..099c228
--- /dev/null
+++ b/zdaemon-4.3.tar.gz
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:f249fc6885646d165d7d6b228a7b71f5170fc7117de9e0688271f8fb97840f72
+size 60661