diff --git a/python-peewee.changes b/python-peewee.changes
index 3e884fc..80f562a 100644
--- a/python-peewee.changes
+++ b/python-peewee.changes
@@ -1,3 +1,8 @@
+-------------------------------------------------------------------
+Wed May 20 07:26:11 UTC 2020 - Petr Gajdos <pgajdos@suse.com>
+
+- %python3_only -> %python_alternative
+
 -------------------------------------------------------------------
 Wed Mar 18 16:01:40 UTC 2020 - Dirk Mueller <dmueller@suse.com>
 
diff --git a/python-peewee.spec b/python-peewee.spec
index 800c608..a4fa8e9 100644
--- a/python-peewee.spec
+++ b/python-peewee.spec
@@ -38,6 +38,8 @@ BuildRequires:  pkgconfig
 BuildRequires:  python-rpm-macros
 BuildRequires:  unzip
 BuildRequires:  pkgconfig(sqlite3)
+Requires(post): update-alternatives
+Requires(postun): update-alternatives
 %python_subpackages
 
 %description
@@ -51,17 +53,23 @@ An expressive ORM that supports PostgreSQL, MySQL and SQLite.
 
 %install
 %python_install
-%python_clone %{buildroot}%{_bindir}/pwiz.py
+%python_clone -a %{buildroot}%{_bindir}/pwiz.py
 %python_expand %fdupes %{buildroot}%{$python_sitearch}
 
 %check
 %pytest_arch tests
 
+%post
+%python_install_alternative pwiz.py
+
+%postun
+%python_uninstall_alternative pwiz.py
+
 %files %{python_files}
 %license LICENSE
 %doc CHANGELOG.md README.rst TODO.rst
 %{_bindir}/pwiz.py-%{python_bin_suffix}
-%python3_only %{_bindir}/pwiz.py
+%python_alternative %{_bindir}/pwiz.py
 %{python_sitearch}/*
 
 %changelog