diff --git a/python-scour.changes b/python-scour.changes
index e21c78b..33121cf 100644
--- a/python-scour.changes
+++ b/python-scour.changes
@@ -1,3 +1,8 @@
+-------------------------------------------------------------------
+Thu Jun 12 09:21:47 UTC 2025 - Markéta Machová <mmachova@suse.com>
+
+- Convert to pip-based build and libalternatives
+
 -------------------------------------------------------------------
 Tue Jun  6 12:07:19 UTC 2023 - pgajdos@suse.com
 
diff --git a/python-scour.spec b/python-scour.spec
index 69c50f1..1adf69f 100644
--- a/python-scour.spec
+++ b/python-scour.spec
@@ -1,7 +1,7 @@
 #
 # spec file for package python-scour
 #
-# Copyright (c) 2023 SUSE LLC
+# Copyright (c) 2025 SUSE LLC
 #
 # All modifications and additions to the file contributed by third parties
 # remain the property of their copyright owners, unless otherwise agreed
@@ -17,6 +17,7 @@
 
 
 %define oldpython python
+%bcond_without libalternatives
 Name:           python-scour
 Version:        0.38.2
 Release:        0
@@ -27,20 +28,22 @@ URL:            https://github.com/oberstet/scour
 Source:         https://github.com/scour-project/scour/archive/v%{version}/scour-%{version}.tar.gz
 # https://github.com/scour-project/scour/pull/306
 Patch0:         python-scour-no-python2.patch
+BuildRequires:  %{python_module pip}
 BuildRequires:  %{python_module setuptools}
+BuildRequires:  %{python_module wheel}
 BuildRequires:  %{python_module xml}
+BuildRequires:  alts
 BuildRequires:  fdupes
 BuildRequires:  python-rpm-macros
 BuildRequires:  unzip
+Requires:       alts
 Requires:       python-setuptools
-%ifpython2
-Requires:       python-xml
-%endif
-Requires(post): update-alternatives
-Requires(postun):update-alternatives
 Conflicts:      %{oldpython}-scour < 0.37
 Provides:       scour = %{version}
 BuildArch:      noarch
+%ifpython2
+Requires:       python-xml
+%endif
 %python_subpackages
 
 %description
@@ -55,27 +58,24 @@ The goal of scour is to provide an identically rendered image.
 sed -i '/^#!/ d' scour/{scour.py,yocto_css.py,svg_transform.py}
 
 %build
-%python_build
+%pyproject_wheel
 
 %install
-%python_install
+%pyproject_install
 %python_expand %fdupes %{buildroot}%{$python_sitelib}
 %python_clone -a %{buildroot}%{_bindir}/scour
 
 %check
 %python_expand PYTHONPATH=%{buildroot}%{$python_sitelib} $python test_scour.py
 
-%post
-%python_install_alternative scour
-
-%postun
-%python_uninstall_alternative scour
+%pre
+%python_libalternatives_reset_alternative scour
 
 %files %{python_files}
 %license LICENSE
 %doc *.md
 %python_alternative %{_bindir}/scour
 %{python_sitelib}/scour/
-%{python_sitelib}/scour-*.egg-info
+%{python_sitelib}/scour-%{version}*-info
 
 %changelog