diff --git a/python-url-normalize.changes b/python-url-normalize.changes
index db44653..a2295c0 100644
--- a/python-url-normalize.changes
+++ b/python-url-normalize.changes
@@ -1,4 +1,10 @@
 -------------------------------------------------------------------
+Tue May  9 19:33:52 UTC 2023 - Ben Greiner <code@bnavigator.de>
+
+- Add url-normalize-pr28-poetry-core.patch
+  * poetry-core is much more lightweight than poetry
+s
+-------------------------------------------------------------------
 Sat Apr 10 04:11:29 UTC 2021 - John Vandenberg <jayvdb@gmail.com>
 
 - Activate test suite using GitHub tarball
diff --git a/python-url-normalize.spec b/python-url-normalize.spec
index 72a4e4b..ce7b469 100644
--- a/python-url-normalize.spec
+++ b/python-url-normalize.spec
@@ -1,7 +1,7 @@
 #
 # spec file for package python-url-normalize
 #
-# Copyright (c) 2021 SUSE LLC
+# Copyright (c) 2023 SUSE LLC
 #
 # All modifications and additions to the file contributed by third parties
 # remain the property of their copyright owners, unless otherwise agreed
@@ -16,7 +16,6 @@
 #
 
 
-%{?!python_module:%define python_module() python-%{**} python3-%{**}}
 Name:           python-url-normalize
 Version:        1.4.3
 Release:        0
@@ -25,11 +24,15 @@ License:        MIT
 Group:          Development/Languages/Python
 URL:            https://github.com/niksite/url-normalize
 Source:         https://github.com/niksite/url-normalize/archive/refs/tags/%{version}.tar.gz#/url-normalize-%{version}.tar.gz
+# PATCH-FIX-UPSTREAM url-normalize-pr28-poetry-core.patch gh#niksite/url-normalize#28
+Patch0:         https://github.com/niksite/url-normalize/pull/28.patch#/url-normalize-pr28-poetry-core.patch
 BuildRequires:  %{python_module pip}
-BuildRequires:  %{python_module poetry}
+BuildRequires:  %{python_module poetry-core >= 1.0.0}
 BuildRequires:  %{python_module pytest}
+BuildRequires:  %{python_module six}
 BuildRequires:  fdupes
 BuildRequires:  python-rpm-macros
+Provides:       python-url_normalize = %{version}-%{release}
 Requires:       python-six
 BuildArch:      noarch
 %python_subpackages
@@ -38,14 +41,14 @@ BuildArch:      noarch
 URL normalization for Python.
 
 %prep
-%setup -q -n url-normalize-%{version}
+%autosetup -p1 -n url-normalize-%{version}
 rm tox.ini
 
 %build
-%{pyproject_wheel}
+%pyproject_wheel
 
 %install
-%{pyproject_install}
+%pyproject_install
 %python_expand %fdupes %{buildroot}%{$python_sitelib}
 
 %check
@@ -54,6 +57,7 @@ rm tox.ini
 %files %{python_files}
 %doc README.md
 %license LICENSE
-%{python_sitelib}/*
+%{python_sitelib}/url_normalize
+%{python_sitelib}/url_normalize-%{version}.dist-info
 
 %changelog
diff --git a/url-normalize-pr28-poetry-core.patch b/url-normalize-pr28-poetry-core.patch
new file mode 100644
index 0000000..2892b61
--- /dev/null
+++ b/url-normalize-pr28-poetry-core.patch
@@ -0,0 +1,21 @@
+From b8557b10c977b191cc9d37e6337afe874a24ad08 Mon Sep 17 00:00:00 2001
+From: Fabian Affolter <mail@fabian-affolter.ch>
+Date: Sun, 2 Jan 2022 11:14:15 +0100
+Subject: [PATCH] Switch to poetry-core
+
+---
+ pyproject.toml | 4 ++--
+ 1 file changed, 2 insertions(+), 2 deletions(-)
+
+diff --git a/pyproject.toml b/pyproject.toml
+index f824aa9..ed77161 100644
+--- a/pyproject.toml
++++ b/pyproject.toml
+@@ -30,5 +30,5 @@ pytest-socket = [{version="0.3.3", python="~2.7"}, {version="*", python="^3.6"}]
+ tox = [{version="*", python="^3.6"}]
+ 
+ [build-system]
+-build-backend = "poetry.masonry.api"
+-requires = ["poetry>=0.12"]
++requires = ["poetry-core>=1.0.0"]
++build-backend = "poetry.core.masonry.api"