diff --git a/python-rtslib-fb.changes b/python-rtslib-fb.changes
index 99895f0..25afc5e 100644
--- a/python-rtslib-fb.changes
+++ b/python-rtslib-fb.changes
@@ -1,3 +1,8 @@
+-------------------------------------------------------------------
+Tue Aug 24 07:35:46 UTC 2021 - Stefan Schubert <schubi@suse.de>
+
+- Use libalternatives instead of update-alternatives.
+
 -------------------------------------------------------------------
 Sat Nov  7 18:05:32 UTC 2020 - Lee Duncan <lduncan@suse.com>
 
diff --git a/python-rtslib-fb.spec b/python-rtslib-fb.spec
index 50ecdce..bbd0539 100644
--- a/python-rtslib-fb.spec
+++ b/python-rtslib-fb.spec
@@ -1,7 +1,7 @@
 #
 # spec file for package python-rtslib-fb
 #
-# Copyright (c) 2020 SUSE LLC
+# Copyright (c) 2021 SUSE LLC
 #
 # All modifications and additions to the file contributed by third parties
 # remain the property of their copyright owners, unless otherwise agreed
@@ -16,6 +16,12 @@
 #
 
 
+%if 0%{?suse_version} > 1500
+%bcond_without libalternatives
+%else
+%bcond_with libalternatives
+%endif
+
 %define dbdir %{_sysconfdir}/target
 %{?!python_module:%define python_module() python-%{**} python3-%{**}}
 Name:           python-rtslib-fb
@@ -38,8 +44,12 @@ Requires:       python-pyudev
 %define oldpython python
 %define cpkg %{oldpython}-rtslib-fb-common
 Requires:       %{cpkg}
+%if %{with libalternatives}
+Requires:       alts
+%else
 Requires(post): update-alternatives
 Requires(postun): update-alternatives
+%endif
 Provides:       python-rtslib = %{version}-%{release}
 Obsoletes:      python-rtslib < %{version}
 %if 0%{?sle_version} >= 150000
@@ -79,7 +89,14 @@ python2-rtslib-fb and python3-rtslib-fb.
 
 %install
 %python_install
-%python_clone -a %{buildroot}/%{_bindir}/targetctl
+%if ! %{with libalternatives}
+   %python_clone -a %{buildroot}/%{_bindir}/targetctl
+%else
+  %python_clone %{buildroot}%{_bindir}/targetctl
+  ln -sf %{_bindir}/alts %{buildroot}%{_bindir}/targetctl
+  mkdir -p %{buildroot}%{_datadir}/libalternatives/targetctl
+  %python_expand echo "binary=%{_bindir}/targetctl-%{$python_version}" > %{buildroot}%{_datadir}/libalternatives/targetctl/10%{$python_version_nodots}.conf   
+%endif
 %fdupes %{buildroot}
 install -d -m755 %{buildroot}%{_mandir}/man5
 install -m644 doc/saveconfig.json.5 %{buildroot}%{_mandir}/man5
@@ -94,15 +111,25 @@ install -d -m755 %{buildroot}%{_sbindir}
 ln -s %{_sbindir}/service %{buildroot}/%{_sbindir}/rctarget
 
 %post
+%if ! %{with libalternatives}
 %python_install_alternative targetctl
+%endif
 %{service_add_post target.service}
 
 %postun
+%if ! %{with libalternatives}
 %python_uninstall_alternative targetctl
+%endif
 %{service_del_postun target.service}
 
 %pre
 %{service_add_pre target.service}
+%if %{with libalternatives}
+# removing old update-alternatives entries
+if [ "$1" -gt 0 ] && [ -f %{_sbindir}/update-alternatives ] ; then
+  %python_uninstall_alternative targetctl
+fi    
+%endif
 
 %preun
 %{stop_on_removal target}
@@ -121,7 +148,15 @@ ln -s %{_sbindir}/service %{buildroot}/%{_sbindir}/rctarget
 %{service_del_preun target.service}
 
 %files %{python_files}
+%if ! 0%{with libalternatives}
 %python_alternative %{_bindir}/targetctl
+%else
+%dir %{_datadir}/libalternatives
+%dir %{_datadir}/libalternatives/targetctl
+%{_datadir}/libalternatives/targetctl/10%python_version_nodots.conf
+%{_bindir}/targetctl
+%{_bindir}/targetctl-%python_version
+%endif
 %{python_sitelib}/*
 
 %files -n %{cpkg}