diff --git a/python-pbr.changes b/python-pbr.changes
index fced778..a0aa496 100644
--- a/python-pbr.changes
+++ b/python-pbr.changes
@@ -1,3 +1,13 @@
+-------------------------------------------------------------------
+Thu Aug 21 10:03:57 UTC 2025 - Markéta Machová <mmachova@suse.com>
+
+- Convert to libalternatives on SLE-16-based and newer systems only
+
+-------------------------------------------------------------------
+Thu Jul 17 12:12:02 UTC 2025 - Markéta Machová <mmachova@suse.com>
+
+- Convert to libalternatives
+
 -------------------------------------------------------------------
 Wed Feb 12 10:34:46 UTC 2025 - John Paul Adrian Glaubitz <adrian.glaubitz@suse.com>
 
diff --git a/python-pbr.spec b/python-pbr.spec
index 0327ab2..4cc3181 100644
--- a/python-pbr.spec
+++ b/python-pbr.spec
@@ -16,7 +16,6 @@
 #
 
 
-%{?sle15_python_module_pythons}
 %global flavor @BUILD_FLAVOR@%{nil}
 %if "%{flavor}" == "test"
 %define psuffix -test
@@ -25,6 +24,12 @@
 %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-pbr%{psuffix}
 Version:        6.1.1
 Release:        0
@@ -38,11 +43,16 @@ BuildRequires:  %{python_module wheel}
 BuildRequires:  fdupes
 BuildRequires:  python-rpm-macros
 Requires:       python-setuptools >= 64.0.0
-Requires(post): update-alternatives
-Requires(postun): update-alternatives
 Recommends:     git-core
 Obsoletes:      python-pbr-doc
 BuildArch:      noarch
+%if %{with libalternatives}
+BuildRequires:  alts
+Requires:       alts
+%else
+Requires(post): update-alternatives
+Requires(postun): update-alternatives
+%endif
 %if %{with test}
 # Package originates from OpenStack and depends on other OpenStack packages for testing.
 # These are only available for the primary python3 interpreter in TW, but optional.
@@ -108,6 +118,9 @@ exclude+="test_handling_of_whitespace_in_data_files"
 %postun
 %python_uninstall_alternative pbr
 
+%pre
+%python_libalternatives_reset_alternative pbr
+
 %files %{python_files}
 %license LICENSE
 %doc AUTHORS ChangeLog CONTRIBUTING.rst README.rst