diff --git a/python-rstcheck.changes b/python-rstcheck.changes
index 786012a..8771139 100644
--- a/python-rstcheck.changes
+++ b/python-rstcheck.changes
@@ -1,3 +1,8 @@
+-------------------------------------------------------------------
+Tue May 19 09:27:48 UTC 2020 - Petr Gajdos <pgajdos@suse.com>
+
+- %python3_only -> %python_alternative
+
 -------------------------------------------------------------------
 Tue Mar 10 11:19:41 UTC 2020 - Tomáš Chvátal <tchvatal@suse.com>
 
diff --git a/python-rstcheck.spec b/python-rstcheck.spec
index aef8b0d..2e1d739 100644
--- a/python-rstcheck.spec
+++ b/python-rstcheck.spec
@@ -35,6 +35,8 @@ BuildRequires:  gcc
 BuildRequires:  gcc-c++
 BuildRequires:  python-rpm-macros
 Requires:       python-docutils >= 0.7
+Requires(post): update-alternatives
+Requires(postun): update-alternatives
 Recommends:     bash
 Recommends:     gcc
 Recommends:     gcc-c++
@@ -61,6 +63,7 @@ sed -i -e '/^#!\//, 1d' rstcheck.py
 
 %install
 %python_install
+%python_clone -a %{buildroot}%{_bindir}/rstcheck
 %python_expand %fdupes %{buildroot}%{$python_sitelib}
 
 %check
@@ -72,10 +75,16 @@ export LANG=en_US.UTF-8
 #PYTHON=$python ./test.bash
 #}
 
+%post
+%python_install_alternative rstcheck
+
+%postun
+%python_uninstall_alternative rstcheck
+
 %files %{python_files}
 %license LICENSE
 %doc AUTHORS.rst README.rst
-%python3_only %{_bindir}/rstcheck
+%python_alternative %{_bindir}/rstcheck
 %{python_sitelib}/*
 
 %changelog