diff --git a/python-zope.testrunner.changes b/python-zope.testrunner.changes
index ac0cfb6..50661f6 100644
--- a/python-zope.testrunner.changes
+++ b/python-zope.testrunner.changes
@@ -1,3 +1,8 @@
+-------------------------------------------------------------------
+Tue Aug 26 09:52:11 UTC 2025 - Markéta Machová <mmachova@suse.com>
+
+- Convert to libalternatives on SLE-16-based and newer systems
+
 -------------------------------------------------------------------
 Tue Apr  1 16:06:08 UTC 2025 - Markéta Machová <mmachova@suse.com>
 
diff --git a/python-zope.testrunner.spec b/python-zope.testrunner.spec
index 81ed6e0..f96e347 100644
--- a/python-zope.testrunner.spec
+++ b/python-zope.testrunner.spec
@@ -1,7 +1,7 @@
 #
 # spec file for package python-zope.testrunner
 #
-# 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-zope.testrunner%{psuffix}
 Version:        6.6.1
@@ -31,7 +36,7 @@ Release:        0
 Summary:        Zope testrunner script
 License:        ZPL-2.1
 URL:            https://github.com/zopefoundation/zope.testrunner
-Source:         https://files.pythonhosted.org/packages/source/z/zope.testrunner/zope_testrunner-%{version}.tar.gz
+Source:         https://files.pythonhosted.org/packages/source/z/zope_testrunner/zope_testrunner-%{version}.tar.gz
 BuildRequires:  %{python_module pip}
 BuildRequires:  %{python_module setuptools}
 BuildRequires:  %{python_module wheel}
@@ -42,9 +47,14 @@ BuildRequires:  python-rpm-macros
 Requires:       python-setuptools
 Requires:       python-zope.exceptions
 Requires:       python-zope.interface
+BuildArch:      noarch
+%if %{with libalternatives}
+BuildRequires:  alts
+Requires:       alts
+%else
 Requires(post): update-alternatives
 Requires(postun): update-alternatives
-BuildArch:      noarch
+%endif
 %if %{with test}
 BuildRequires:  %{python_module zope.testing}
 BuildRequires:  %{python_module zope.testrunner = %{version}}
@@ -84,6 +94,9 @@ $python -m zope.testrunner --test-path=src -vv
 %postun
 %python_uninstall_alternative zope-testrunner
 
+%pre
+%python_libalternatives_reset_alternative zope-testrunner
+
 %files %{python_files}
 %license LICENSE.md
 %doc README.rst