diff --git a/python-convertdate.changes b/python-convertdate.changes
index 4711096..a453cc1 100644
--- a/python-convertdate.changes
+++ b/python-convertdate.changes
@@ -1,3 +1,8 @@
+-------------------------------------------------------------------
+Wed Jun 25 12:06:07 UTC 2025 - Markéta Machová <mmachova@suse.com>
+
+- Convert to libalternatives
+
 -------------------------------------------------------------------
 Sat Jun  7 03:51:44 UTC 2025 - Bernhard Wiedemann <bwiedemann@suse.com>
 
diff --git a/python-convertdate.spec b/python-convertdate.spec
index aceffb1..2f16320 100644
--- a/python-convertdate.spec
+++ b/python-convertdate.spec
@@ -1,7 +1,7 @@
 #
 # spec file for package python-convertdate
 #
-# 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 @@
 
 
 %{?!python_module:%define python_module() python-%{**} python3-%{**}}
+%bcond_without libalternatives
 %{?sle15_python_module_pythons}
 Name:           python-convertdate
 Version:        2.4.0
@@ -27,8 +28,10 @@ URL:            https://github.com/fitnr/convertdate
 Source:         https://github.com/fitnr/convertdate/archive/v%{version}.tar.gz
 BuildRequires:  %{python_module pip}
 BuildRequires:  %{python_module wheel}
+BuildRequires:  alts
 BuildRequires:  fdupes
 BuildRequires:  python-rpm-macros
+Requires:       alts
 Requires:       python-PyMeeus >= 0.3.6
 BuildArch:      noarch
 # SECTION test requirements
@@ -36,8 +39,6 @@ BuildRequires:  %{python_module PyMeeus >= 0.3.6}
 BuildRequires:  %{python_module pytest-xdist}
 BuildRequires:  %{python_module pytest}
 # /SECTION
-Requires(post): update-alternatives
-Requires(postun):update-alternatives
 %python_subpackages
 
 %description
@@ -63,11 +64,8 @@ export LC_ALL="en_US.UTF8"
 export LC_ALL="en_US.UTF8"
 %pytest -n $(echo %{?_smp_mflags} | cut -c 3-)
 
-%post
-%python_install_alternative censusgeocode
-
-%postun
-%python_uninstall_alternative censusgeocode
+%pre
+%python_libalternatives_reset_alternative censusgeocode
 
 %files %{python_files}
 %doc README.md