diff --git a/python-bottle.changes b/python-bottle.changes
index 1109cf5..ddc937a 100644
--- a/python-bottle.changes
+++ b/python-bottle.changes
@@ -1,3 +1,8 @@
+-------------------------------------------------------------------
+Tue Jun 17 08:43:33 UTC 2025 - Markéta Machová <mmachova@suse.com>
+
+- Convert to libalternatives
+
 -------------------------------------------------------------------
 Sun Jun 15 12:06:40 UTC 2025 - Benoît Monin <benoit.monin@gmx.fr>
 
diff --git a/python-bottle.spec b/python-bottle.spec
index 097ad7c..ea158ca 100644
--- a/python-bottle.spec
+++ b/python-bottle.spec
@@ -16,6 +16,7 @@
 #
 
 
+%bcond_without libalternatives
 %{?sle15_python_module_pythons}
 Name:           python-bottle
 Version:        0.13.4
@@ -28,10 +29,10 @@ Source1:        http://bottlepy.org/docs/0.12/bottle-docs.pdf
 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
 
@@ -73,11 +74,8 @@ cp %{SOURCE1} .
 %check
 %pyunittest -v
 
-%post
-%python_install_alternative bottle.py bottle
-
-%postun
-%python_uninstall_alternative bottle.py bottle
+%pre
+%python_libalternatives_reset_alternative bottle.py bottle
 
 %files %{python_files}
 %license LICENSE