diff --git a/python-nox.changes b/python-nox.changes
index 3b3b496..42c6541 100644
--- a/python-nox.changes
+++ b/python-nox.changes
@@ -1,3 +1,8 @@
+-------------------------------------------------------------------
+Thu May 21 10:56:38 UTC 2020 - Petr Gajdos <pgajdos@suse.com>
+
+- %python3_only -> %python_alternative
+
 -------------------------------------------------------------------
 Mon Mar 30 10:05:56 UTC 2020 - pgajdos@suse.com
 
diff --git a/python-nox.spec b/python-nox.spec
index 8725113..9165539 100644
--- a/python-nox.spec
+++ b/python-nox.spec
@@ -35,6 +35,8 @@ Requires:       python-colorlog >= 2.6.1
 Requires:       python-py >= 1.4.0
 Requires:       python-setuptools
 Requires:       python-virtualenv >= 14.0.0
+Requires(post): update-alternatives
+Requires(postun): update-alternatives
 Suggests:       python-Jinja2
 Suggests:       python-tox
 BuildArch:      noarch
@@ -64,16 +66,26 @@ sed -Ei 's/,? ?<=?[0-9][0-9.]*//' setup.py
 
 %install
 %python_install
+%python_clone -a %{buildroot}%{_bindir}/tox-to-nox
+%python_clone -a %{buildroot}%{_bindir}/nox
 %python_expand %fdupes %{buildroot}%{$python_sitelib}
 
 %check
 %pytest
 
+%post
+%python_install_alternative tox-to-nox
+%python_install_alternative nox
+
+%postun
+%python_uninstall_alternative tox-to-nox
+%python_uninstall_alternative nox
+
 %files %{python_files}
 %doc README.rst
 %license LICENSE
-%python3_only %{_bindir}/nox
-%python3_only %{_bindir}/tox-to-nox
+%python_alternative %{_bindir}/nox
+%python_alternative %{_bindir}/tox-to-nox
 %{python_sitelib}/*
 
 %changelog