diff --git a/python-sphobjinv.changes b/python-sphobjinv.changes
index 7a41073..8a73152 100644
--- a/python-sphobjinv.changes
+++ b/python-sphobjinv.changes
@@ -1,3 +1,13 @@
+-------------------------------------------------------------------
+Mon Aug 25 13:38:57 UTC 2025 - Markéta Machová <mmachova@suse.com>
+
+- Convert to libalternatives on SLE-16-based and newer systems
+
+-------------------------------------------------------------------
+Mon Jun 16 06:28:07 UTC 2025 - Steve Kowalik <steven.kowalik@suse.com>
+
+- Switch to pyroject macros.
+
 -------------------------------------------------------------------
 Thu Apr 24 12:49:55 UTC 2025 - Daniel Garcia <daniel.garcia@suse.com>
 
diff --git a/python-sphobjinv.spec b/python-sphobjinv.spec
index e06cc99..082ba7d 100644
--- a/python-sphobjinv.spec
+++ b/python-sphobjinv.spec
@@ -1,7 +1,7 @@
 #
 # spec file for package python-sphobjinv
 #
-# Copyright (c) 2025 SUSE LLC
+# Copyright (c) 2025 SUSE LLC and contributors
 #
 # All modifications and additions to the file contributed by third parties
 # remain the property of their copyright owners, unless otherwise agreed
@@ -16,24 +16,34 @@
 #
 
 
+%if 0%{?suse_version} > 1500
+%bcond_without libalternatives
+%else
+%bcond_with libalternatives
+%endif
 %{?sle15_python_module_pythons}
 Name:           python-sphobjinv
 Version:        2.3.1.2
 Release:        0
 Summary:        Sphinx objectsinv Inspection/Manipulation Tool
 License:        MIT
-Group:          Development/Languages/Python
 URL:            https://github.com/bskinn/sphobjinv
 Source:         https://github.com/bskinn/sphobjinv/archive/refs/tags/v%{version}.tar.gz#/sphobjinv-%{version}.tar.gz
+BuildRequires:  %{python_module pip}
 BuildRequires:  %{python_module setuptools}
 BuildRequires:  fdupes
 BuildRequires:  python-rpm-macros
 Requires:       python-attrs >= 19.2
 Requires:       python-certifi
 Requires:       python-jsonschema >= 3.0
+BuildArch:      noarch
+%if %{with libalternatives}
+BuildRequires:  alts
+Requires:       alts
+%else
 Requires(post): update-alternatives
 Requires(postun): update-alternatives
-BuildArch:      noarch
+%endif
 # SECTION test requirements
 BuildRequires:  %{python_module Sphinx}
 BuildRequires:  %{python_module attrs >= 19.4}
@@ -55,10 +65,10 @@ Sphinx objects.inv Inspection/Manipulation Tool
 sed -i '1{/^#!/d}' src/sphobjinv/_vendored/fuzzywuzzy/*.py
 
 %build
-%python_build
+%pyproject_wheel
 
 %install
-%python_install
+%pyproject_install
 %python_clone -a %{buildroot}%{_bindir}/sphobjinv
 %python_expand %fdupes %{buildroot}%{$python_sitelib}
 
@@ -77,11 +87,14 @@ donttest="test_name_lead_chars"
 %postun
 %python_uninstall_alternative sphobjinv
 
+%pre
+%python_libalternatives_reset_alternative sphobjinv
+
 %files %{python_files}
 %doc CHANGELOG.md README.md
 %license LICENSE.txt
 %python_alternative %{_bindir}/sphobjinv
 %{python_sitelib}/sphobjinv
-%{python_sitelib}/sphobjinv-%{version}*-info
+%{python_sitelib}/sphobjinv-%{version}.dist-info
 
 %changelog