diff --git a/python-interrogate.changes b/python-interrogate.changes
index ddae5f4..3a14906 100644
--- a/python-interrogate.changes
+++ b/python-interrogate.changes
@@ -1,3 +1,8 @@
+-------------------------------------------------------------------
+Mon Jun  9 08:47:37 UTC 2025 - Markéta Machová <mmachova@suse.com>
+
+- Convert to libalternatives
+
 -------------------------------------------------------------------
 Wed May 28 12:47:45 UTC 2025 - Markéta Machová <mmachova@suse.com>
 
diff --git a/python-interrogate.spec b/python-interrogate.spec
index 6a29866..ea49619 100644
--- a/python-interrogate.spec
+++ b/python-interrogate.spec
@@ -16,6 +16,7 @@
 #
 
 
+%bcond_without libalternatives
 Name:           python-interrogate
 Version:        1.7.0
 Release:        0
@@ -27,15 +28,15 @@ Source:         https://files.pythonhosted.org/packages/source/i/interrogate/int
 BuildRequires:  %{python_module pip}
 BuildRequires:  %{python_module setuptools}
 BuildRequires:  %{python_module wheel}
+BuildRequires:  alts
 BuildRequires:  fdupes
 BuildRequires:  python-rpm-macros
+Requires:       alts
 Requires:       python-attrs
 Requires:       python-click
 Requires:       python-colorama
 Requires:       python-py
 Requires:       python-tabulate
-Requires(post): alts
-Requires(postun): alts
 BuildArch:      noarch
 %if 0%{python_version_nodots} < 311
 Requires:       python-tomli
@@ -67,11 +68,9 @@ rm tox.ini
 %python_clone -a %{buildroot}%{_bindir}/interrogate
 %python_expand %fdupes %{buildroot}%{$python_sitelib}
 
-%post
-%python_install_alternative interrogate
-
-%postun
-%python_uninstall_alternative interrogate
+%pre
+# removing old update-alternatives entries
+%python_libalternatives_reset_alternative interrogate
 
 %check
 %pytest