diff --git a/python-pyftpdlib.changes b/python-pyftpdlib.changes
index 3e5864c..763fbba 100644
--- a/python-pyftpdlib.changes
+++ b/python-pyftpdlib.changes
@@ -1,3 +1,8 @@
+-------------------------------------------------------------------
+Wed May 20 07:26:27 UTC 2020 - Petr Gajdos <pgajdos@suse.com>
+
+- %python3_only -> %python_alternative
+
 -------------------------------------------------------------------
 Mon Apr 20 10:41:55 UTC 2020 - Tomáš Chvátal <tchvatal@suse.com>
 
diff --git a/python-pyftpdlib.spec b/python-pyftpdlib.spec
index 78f0fa0..51c0859 100644
--- a/python-pyftpdlib.spec
+++ b/python-pyftpdlib.spec
@@ -37,6 +37,8 @@ BuildRequires:  %{python_module setuptools}
 BuildRequires:  fdupes
 BuildRequires:  python-rpm-macros
 Requires:       python-pyOpenSSL
+Requires(post): update-alternatives
+Requires(postun): update-alternatives
 Recommends:     python-pysendfile
 BuildArch:      noarch
 %if %{with python2}
@@ -60,6 +62,7 @@ write very asynchronous FTP servers with Python.
 
 %install
 %python_install
+%python_clone -a %{buildroot}%{_bindir}/ftpbench
 %python_expand %fdupes %{buildroot}%{$python_sitelib}
 # Note: Do not remove tests. Other packages import them
 
@@ -69,10 +72,16 @@ export PYTHONPATH=$PWD
 %python_exec pyftpdlib/test/runner.py
 %endif
 
+%post
+%python_install_alternative ftpbench
+
+%postun
+%python_uninstall_alternative ftpbench
+
 %files %{python_files}
 %license LICENSE
 %doc README.rst
-%python3_only %{_bindir}/ftpbench
+%python_alternative %{_bindir}/ftpbench
 %{python_sitelib}/*
 
 %changelog