diff --git a/python-python-louvain.changes b/python-python-louvain.changes
index 4047cfe..45f4ad1 100644
--- a/python-python-louvain.changes
+++ b/python-python-louvain.changes
@@ -1,3 +1,8 @@
+-------------------------------------------------------------------
+Wed May 20 07:26:53 UTC 2020 - Petr Gajdos <pgajdos@suse.com>
+
+- %python3_only -> %python_alternative
+
 -------------------------------------------------------------------
 Mon Jan  6 15:19:20 UTC 2020 - Todd R <toddrme2178@gmail.com>
 
diff --git a/python-python-louvain.spec b/python-python-louvain.spec
index 49d3dcb..18a50f7 100644
--- a/python-python-louvain.spec
+++ b/python-python-louvain.spec
@@ -33,6 +33,8 @@ BuildRequires:  fdupes
 BuildRequires:  python-rpm-macros
 Requires:       python-networkx
 Requires:       python-numpy
+Requires(post): update-alternatives
+Requires(postun): update-alternatives
 BuildArch:      noarch
 # SECTION test requirements
 BuildRequires:  %{python_module networkx}
@@ -56,15 +58,22 @@ sed -i -e '/^#!\//, 1d' community/__init__.py
 
 %install
 %python_install
+%python_clone -a %{buildroot}%{_bindir}/community
 %python_expand %fdupes %{buildroot}%{$python_sitelib}
 
 %check
 %python_exec test_community.py
 
+%post
+%python_install_alternative community
+
+%postun
+%python_uninstall_alternative community
+
 %files %{python_files}
 %doc README.rst
 %license LICENSE
-%python3_only %{_bindir}/community
+%python_alternative %{_bindir}/community
 %{python_sitelib}/*
 
 %changelog