diff --git a/python-MMLlib.changes b/python-MMLlib.changes
index 2c712db..d597b46 100644
--- a/python-MMLlib.changes
+++ b/python-MMLlib.changes
@@ -1,3 +1,8 @@
+-------------------------------------------------------------------
+Thu Jun  5 11:42:22 UTC 2025 - Markéta Machová <mmachova@suse.com>
+
+- Convert to libalternatives
+
 -------------------------------------------------------------------
 Wed Aug  9 20:51:25 UTC 2023 - Matej Cepl <mcepl@suse.com>
 
diff --git a/python-MMLlib.spec b/python-MMLlib.spec
index b297885..e59fde8 100644
--- a/python-MMLlib.spec
+++ b/python-MMLlib.spec
@@ -1,7 +1,7 @@
 #
 # spec file for package python-MMLlib
 #
-# 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
@@ -16,6 +16,7 @@
 #
 
 
+%bcond_without libalternatives
 Name:           python-MMLlib
 Version:        1.4
 Release:        0
@@ -26,10 +27,10 @@ Source:         https://files.pythonhosted.org/packages/source/M/MMLlib/MMLlib-%
 BuildRequires:  %{python_module pip}
 BuildRequires:  %{python_module setuptools}
 BuildRequires:  %{python_module wheel}
+BuildRequires:  alts
 BuildRequires:  fdupes
 BuildRequires:  python-rpm-macros
-Requires(post): update-alternatives
-Requires(postun):update-alternatives
+Requires:       alts
 BuildArch:      noarch
 %python_subpackages
 
@@ -54,11 +55,9 @@ Linux and BSD, with a number of extensions and changes.
 %check
 %pyunittest -v
 
-%post
-%python_install_alternative mml2musicxml mmllint
-
-%postun
-%python_uninstall_alternative mml2musicxml
+%pre
+# removing old update-alternatives entries
+%python_libalternatives_reset_alternative mml2musicxml
 
 %files %{python_files}
 %doc CHANGELOG.rst MMLFILE.rst README.rst