diff --git a/python-jupyter-core.changes b/python-jupyter-core.changes
index 48acf5c..e009745 100644
--- a/python-jupyter-core.changes
+++ b/python-jupyter-core.changes
@@ -1,3 +1,8 @@
+-------------------------------------------------------------------
+Tue Oct  5 15:35:48 UTC 2021 - Stefan Schubert <schubi@suse.de>
+
+- Use libalternatives instead of update-alternatives.
+
 -------------------------------------------------------------------
 Wed Feb  3 22:46:22 UTC 2021 - Benjamin Greiner <code@bnavigator.de>
 
diff --git a/python-jupyter-core.spec b/python-jupyter-core.spec
index a3968a5..8ed8e44 100644
--- a/python-jupyter-core.spec
+++ b/python-jupyter-core.spec
@@ -1,5 +1,5 @@
 #
-# spec file for package python-jupyter-core-test
+# spec file for package python-jupyter-core
 #
 # Copyright (c) 2021 SUSE LLC
 #
@@ -16,6 +16,13 @@
 #
 
 
+#
+%if 0%{?suse_version} > 1500
+%bcond_without libalternatives
+%else
+%bcond_with libalternatives
+%endif
+
 %global flavor @BUILD_FLAVOR@%{nil}
 %if "%{flavor}" == "test"
 %define psuffix -test
@@ -40,11 +47,16 @@ BuildRequires:  %{python_module setuptools}
 BuildRequires:  %{python_module traitlets}
 BuildRequires:  fdupes
 BuildRequires:  jupyter-jupyter_core-filesystem
-BuildRequires:  python-rpm-macros
+BuildRequires:  python-rpm-macros >= 20210929
 Requires:       jupyter-jupyter_core-filesystem
 Requires:       python-traitlets
+%if %{with libalternatives}
+BuildRequires:  alts
+Requires:       alts
+%else
 Requires(post): update-alternatives
 Requires(postun):update-alternatives
+%endif
 Recommends:     python-ipython
 Provides:       python-jupyter_core = %{version}-%{release}
 Obsoletes:      python-jupyter_core < %{version}-%{release}
@@ -101,6 +113,11 @@ pushd jupyter_core/tests
 popd
 %endif
 
+%pre
+# removing old update-alternatives entries
+# If libalternatives is used: Removing old update-alternatives entries.
+%python_libalternatives_reset_alternative jupyter
+
 %post
 %python_install_alternative jupyter jupyter-migrate jupyter-troubleshoot