diff --git a/certifi-2016.2.28.tar.gz b/certifi-2016.2.28.tar.gz
deleted file mode 100644
index 484301a..0000000
--- a/certifi-2016.2.28.tar.gz
+++ /dev/null
@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:5e8eccf95924658c97b990b50552addb64f55e1e3dfe4880456ac1f287dc79d0
-size 364036
diff --git a/certifi-2017.1.23.tar.gz b/certifi-2017.1.23.tar.gz
new file mode 100644
index 0000000..195f6a9
--- /dev/null
+++ b/certifi-2017.1.23.tar.gz
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:81877fb7ac126e9215dfb15bfef7115fdc30e798e0013065158eed0707fd99ce
+size 380397
diff --git a/python-certifi.changes b/python-certifi.changes
index 006733f..bec141b 100644
--- a/python-certifi.changes
+++ b/python-certifi.changes
@@ -1,3 +1,10 @@
+-------------------------------------------------------------------
+Sat Apr  8 17:51:03 UTC 2017 - aloisio@gmx.com
+
+- Updated to version 2017.1.23
+- Converted to single-spec
+- Updated source URL
+
 -------------------------------------------------------------------
 Fri Jun  3 23:00:13 UTC 2016 - jacobwinski@gmail.com
 
diff --git a/python-certifi.spec b/python-certifi.spec
index 57be18c..5da7103 100644
--- a/python-certifi.spec
+++ b/python-certifi.spec
@@ -1,7 +1,7 @@
 #
 # spec file for package python-certifi
 #
-# Copyright (c) 2016 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
@@ -16,29 +16,26 @@
 #
 
 
+%{?!python_module:%define python_module() python-%{**} python3-%{**}}
 Name:           python-certifi
-Version:        2016.2.28
+Version:        2017.1.23
 Release:        0
 Summary:        Python package for providing Mozilla's CA Bundle
 License:        MPL-2.0
 Group:          Development/Languages/Python
 Url:            https://pypi.python.org/pypi/certifi
-Source:         https://pypi.python.org/packages/source/c/certifi/certifi-%{version}.tar.gz
+Source:         https://files.pythonhosted.org/packages/source/c/certifi/certifi-%{version}.tar.gz
 # PATCH-FIX-SUSE -- prefer SUSE certificates
 Patch0:         python-certifi-shipped-requests-cabundle.patch
-BuildRequires:  python-devel
-BuildRequires:  python-setuptools
-BuildRoot:      %{_tmppath}/%{name}-%{version}-build
-%if 0%{?suse_version}
-%if 0%{?suse_version} <= 1110
-%{!?python_sitelib: %global python_sitelib %(python -c "from distutils.sysconfig import get_python_lib; print get_python_lib()")}
-%else
+BuildRequires:  %{python_module devel}
+BuildRequires:  %{python_module setuptools}
 BuildRequires:  ca-certificates
+BuildRequires:  fdupes
+BuildRequires:  python-rpm-macros
 Requires:       ca-certificates
-%endif
-%else
+BuildRoot:      %{_tmppath}/%{name}-%{version}-build
 BuildArch:      noarch
-%endif
+%python_subpackages
 
 %description
 This installable Python package contains a CA Bundle that you can reference
@@ -49,23 +46,24 @@ derived from Mozilla Firefox's canonical set.
 
 %prep
 %setup -q -n certifi-%{version}
-%if 0%{?suse_version} && 0%{?suse_version} > 1110
 %patch0 -p1
-%endif
 
 %build
-python setup.py build
+%python_build
 
 %install
-python setup.py install --prefix=%{_prefix} --root=%{buildroot}
-chmod +x %{buildroot}/%{python_sitelib}/certifi/core.py
-%if 0%{?suse_version} && 0%{?suse_version} > 1110
-rm %{buildroot}/%{python_sitelib}/certifi/cacert.pem
-%endif
+%python_install
 
-%files
+%{python_expand chmod +x %{buildroot}/%{$python_sitelib}/certifi/core.py
+ rm %{buildroot}/%{$python_sitelib}/certifi/cacert.pem
+ %fdupes -s %{buildroot}%{$python_sitelib}
+}
+
+%files %{python_files}
 %defattr(-,root,root,-)
 %doc README.rst LICENSE
-%{python_sitelib}/*
+%{python_sitelib}/certifi/
+%pycache_only %{python_sitelib}/certifi/__pycache__
+%{python_sitelib}/certifi-%{version}-py%{python_version}.egg-info
 
 %changelog