diff --git a/python-pytzdata.changes b/python-pytzdata.changes
index 762a581..9debacd 100644
--- a/python-pytzdata.changes
+++ b/python-pytzdata.changes
@@ -1,3 +1,13 @@
+-------------------------------------------------------------------
+Wed May 31 08:51:45 UTC 2023 - Ben Greiner <code@bnavigator.de>
+
+- Bring this Ring1 package to python packaging standards
+  * Switch to github tarball in order to run the tests
+  * Don't catchall sitelib
+  * Replace deprecated setup.py with PEP517
+    (poetry-core is enough to build)
+  * Pure python module: BuildArch is noarch
+
 -------------------------------------------------------------------
 Mon May  8 04:54:25 UTC 2023 - Johannes Kastl <kastl@b1-systems.de>
 
diff --git a/python-pytzdata.spec b/python-pytzdata.spec
index 6c7fd99..e779037 100644
--- a/python-pytzdata.spec
+++ b/python-pytzdata.spec
@@ -1,5 +1,5 @@
 #
-# spec file
+# spec file for package python-pytzdata
 #
 # Copyright (c) 2023 SUSE LLC
 # Copyright (c) 2020 Dr. Axel Braun
@@ -18,41 +18,48 @@
 
 
 %{?sle15_python_module_pythons}
-%define modname pytzdata
-Name:           python-%{modname}
+Name:           python-pytzdata
 Version:        2020.1
 Release:        0
 Summary:        The pytzdata module for Python-pendulum
 License:        MIT
 URL:            https://github.com/sdispater/pytzdata
-Source:         https://files.pythonhosted.org/packages/source/p/%{modname}/%{modname}-%{version}.tar.gz
-BuildRequires:  %{python_module setuptools}
+Source:         https://github.com/sdispater/pytzdata/archive/refs/tags/%{version}.tar.gz#/pytzdata-%{version}-gh.tar.gz
+BuildRequires:  %{python_module pip}
+BuildRequires:  %{python_module poetry-core}
+BuildRequires:  %{python_module pytest}
 BuildRequires:  fdupes
 BuildRequires:  python-rpm-macros
 BuildRequires:  timezone
 Requires:       timezone
+BuildArch:      noarch
 %python_subpackages
 
 %description
 The Olson timezone database for Python. This version is linked to the systemwide zone info
 
 %prep
-%setup -q -n %{modname}-%{version}
+%setup -q -n pytzdata-%{version}
+sed -i 's/poetry.masonry/poetry.core.masonry/' pyproject.toml
 
 %build
-%python_build
+%pyproject_wheel
 
 %install
-%python_install
+%pyproject_install
 # delete internal database
 %{python_expand rm -r %{buildroot}%{$python_sitelib}/pytzdata/zoneinfo
 ln -s /usr/share/zoneinfo %{buildroot}%{$python_sitelib}/pytzdata/zoneinfo
 %fdupes %{buildroot}%{$python_sitelib}
 }
 
+%check
+%pytest
+
 %files %{python_files}
 %doc README.rst
 %license LICENSE
-%{python_sitelib}/*
+%{python_sitelib}/pytzdata
+%{python_sitelib}/pytzdata-%{version}.dist-info
 
 %changelog
diff --git a/pytzdata-2020.1-gh.tar.gz b/pytzdata-2020.1-gh.tar.gz
new file mode 100644
index 0000000..f77fd90
--- /dev/null
+++ b/pytzdata-2020.1-gh.tar.gz
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:ffec92eb79bb2155862c9c3b80efb12a052182c197098501ec986d5ea1d178df
+size 249045
diff --git a/pytzdata-2020.1.tar.gz b/pytzdata-2020.1.tar.gz
deleted file mode 100644
index ef33231..0000000
--- a/pytzdata-2020.1.tar.gz
+++ /dev/null
@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:3efa13b335a00a8de1d345ae41ec78dd11c9f8807f522d39850f2dd828681540
-size 281719