diff --git a/python-Sphinx.changes b/python-Sphinx.changes
index e89fdb9..ae9c898 100644
--- a/python-Sphinx.changes
+++ b/python-Sphinx.changes
@@ -1,3 +1,8 @@
+-------------------------------------------------------------------
+Mon Aug 25 12:56:50 UTC 2025 - Markéta Machová <mmachova@suse.com>
+
+- Convert to libalternatives on SLE-16-based and newer systems
+
 -------------------------------------------------------------------
 Fri Mar 14 12:12:22 UTC 2025 - Markéta Machová <mmachova@suse.com>
 
@@ -3804,7 +3809,6 @@ Release 1.3.3 (released Dec 2, 2015)
 ====================================
 
 Bugs fixed
-----------
 
 * #2012: Fix exception occurred if ``numfig_format`` is invalid
 * #2142: Provide non-minified JS code in ``sphinx/search/non-minified-js/*.js`` for
@@ -3816,12 +3820,10 @@ Release 1.3.2 (released Nov 29, 2015)
 =====================================
 
 Features added
---------------
 
 * #1935: Make "numfig_format" overridable in latex_elements.
 
 Bugs fixed
-----------
 
 * #1976: Avoid "2.0" version of Babel because it doesn't work with Windows environment.
 * Add a "default.css" stylesheet (which imports "classic.css") for compatibility.
diff --git a/python-Sphinx.spec b/python-Sphinx.spec
index 8be40bc..7ec7053 100644
--- a/python-Sphinx.spec
+++ b/python-Sphinx.spec
@@ -1,7 +1,7 @@
 #
 # spec file for package python-Sphinx
 #
-# 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
@@ -24,6 +24,11 @@
 %define psuffix %{nil}
 %bcond_with test
 %endif
+%if 0%{?suse_version} > 1500
+%bcond_without libalternatives
+%else
+%bcond_with libalternatives
+%endif
 %{?sle15_python_module_pythons}
 Name:           python-Sphinx%{psuffix}
 Version:        8.2.3
@@ -68,13 +73,18 @@ Requires:       python-sphinxcontrib-htmlhelp >= 2.0.0
 Requires:       python-sphinxcontrib-jsmath
 Requires:       python-sphinxcontrib-qthelp >= 1.0.2
 Requires:       python-sphinxcontrib-serializinghtml >= 1.1.9
-Requires(post): update-alternatives
-Requires(postun): update-alternatives
 Recommends:     python-SQLAlchemy >= 0.9
 Recommends:     python-Sphinx-doc-man
 Recommends:     python-Whoosh >= 2.0
 Suggests:       python-sphinx_rtd_theme
 BuildArch:      noarch
+%if %{with libalternatives}
+BuildRequires:  alts
+Requires:       alts
+%else
+Requires(post): update-alternatives
+Requires(postun): update-alternatives
+%endif
 %if %{with test}
 BuildRequires:  %{python_module Cython}
 BuildRequires:  %{python_module Sphinx = %{version}}
@@ -208,10 +218,10 @@ This package contains the documentation for Sphinx.
 Summary:        Man files for python-Sphinx
 Group:          Documentation/Man
 Requires:       python3-Sphinx = %{version}
-Requires(post): update-alternatives
-Requires(postun): update-alternatives
 Supplements:    python3-Sphinx
 Obsoletes:      python-Sphinx-doc-man-common <= %{version}
+BuildRequires:  alts
+Requires:       alts
 
 %description -n python-Sphinx-doc-man
 Sphinx is a tool that facilitates creating documentation for Python
@@ -266,6 +276,7 @@ $python -m sphinx -b html -j auto ./doc ./build.doc/html
 %python_clone -a %{buildroot}%{_bindir}/sphinx-autogen
 %python_clone -a %{buildroot}%{_bindir}/sphinx-build
 %python_clone -a %{buildroot}%{_bindir}/sphinx-quickstart
+%python-group-libalternatives sphinx-apidoc sphinx-autogen sphinx-build sphinx-quickstart
 
 %python_expand mkdir -p %{buildroot}%{$python_sitelib}/sphinxcontrib
 %python_expand %fdupes %{buildroot}%{$python_sitelib}
@@ -305,6 +316,9 @@ mv build.doc/man/sphinx-quickstart.1 %{buildroot}%{_mandir}/man1/sphinx-quicksta
 
 %postun
 %python_uninstall_alternative sphinx-apidoc
+
+%pre
+%python_libalternatives_reset_alternative sphinx-apidoc
 %endif
 
 %check