diff --git a/python-json5.changes b/python-json5.changes
index d1e9b5b..06e4f13 100644
--- a/python-json5.changes
+++ b/python-json5.changes
@@ -1,3 +1,8 @@
+-------------------------------------------------------------------
+Mon May 25 10:59:34 UTC 2020 - Petr Gajdos <pgajdos@suse.com>
+
+- %python3_only -> %python_alternative
+
 -------------------------------------------------------------------
 Thu Apr 16 11:47:01 UTC 2020 - pgajdos@suse.com
 
diff --git a/python-json5.spec b/python-json5.spec
index ffd23ca..1a0a950 100644
--- a/python-json5.spec
+++ b/python-json5.spec
@@ -30,6 +30,8 @@ BuildRequires:  %{python_module setuptools}
 BuildRequires:  fdupes
 BuildRequires:  python-rpm-macros
 Requires:       python-setuptools
+Requires(post): update-alternatives
+Requires(postun): update-alternatives
 BuildArch:      noarch
 %python_subpackages
 
@@ -52,16 +54,23 @@ slightly more usable as a configuration language:
 
 %install
 %python_install
+%python_clone -a %{buildroot}%{_bindir}/pyjson5
 %python_expand rm -rf %{buildroot}%{$python_sitelib}/tests
 %python_expand %fdupes %{buildroot}%{$python_sitelib}
 
 %check
 %pytest
 
+%post
+%python_install_alternative pyjson5
+
+%postun
+%python_uninstall_alternative pyjson5
+
 %files %{python_files}
 %doc README.md
 %license LICENSE
-%python3_only %{_bindir}/pyjson5
+%python_alternative %{_bindir}/pyjson5
 %{python_sitelib}/*
 
 %changelog