diff --git a/python-esptool.changes b/python-esptool.changes
index 48f9435..dda368c 100644
--- a/python-esptool.changes
+++ b/python-esptool.changes
@@ -1,3 +1,8 @@
+-------------------------------------------------------------------
+Tue May 26 06:34:07 UTC 2020 - Petr Gajdos <pgajdos@suse.com>
+
+- %python3_only -> %python_alternative
+
 -------------------------------------------------------------------
 Mon Mar  2 16:39:21 UTC 2020 - Marketa Calabkova <mcalabkova@suse.com>
 
diff --git a/python-esptool.spec b/python-esptool.spec
index 131c9ed..e609ec7 100644
--- a/python-esptool.spec
+++ b/python-esptool.spec
@@ -37,8 +37,9 @@ BuildRequires:  python-rpm-macros
 Requires:       python-ecdsa
 Requires:       python-pyaes
 Requires:       python-pyserial >= 3.0
+Requires(post): update-alternatives
+Requires(postun): update-alternatives
 BuildArch:      noarch
-
 %python_subpackages
 
 %description
@@ -57,9 +58,9 @@ chmod a-x flasher_stub/*.py
 
 %install
 %python_install
-%python_clone %{buildroot}%{_bindir}/esptool.py
-%python_clone %{buildroot}%{_bindir}/espsecure.py
-%python_clone %{buildroot}%{_bindir}/espefuse.py
+%python_clone -a %{buildroot}%{_bindir}/espefuse.py
+%python_clone -a %{buildroot}%{_bindir}/espsecure.py
+%python_clone -a %{buildroot}%{_bindir}/esptool.py
 %python_expand sed -i '/^#!/d' %{buildroot}%{$python_sitelib}/*.py
 %python_expand %fdupes %{buildroot}%{$python_sitelib}
 
@@ -68,15 +69,25 @@ chmod a-x flasher_stub/*.py
 %pytest test/test_imagegen.py
 %pytest test/test_espsecure.py
 
+%post
+%python_install_alternative espefuse.py
+%python_install_alternative espsecure.py
+%python_install_alternative esptool.py
+
+%postun
+%python_uninstall_alternative espefuse.py
+%python_uninstall_alternative espsecure.py
+%python_uninstall_alternative esptool.py
+
 %files %{python_files}
 %license LICENSE
 %doc README.md flasher_stub/
 %{_bindir}/esptool.py-%{python_bin_suffix}
 %{_bindir}/espsecure.py-%{python_bin_suffix}
 %{_bindir}/espefuse.py-%{python_bin_suffix}
-%python3_only %{_bindir}/esptool.py
-%python3_only %{_bindir}/espsecure.py
-%python3_only %{_bindir}/espefuse.py
+%python_alternative %{_bindir}/esptool.py
+%python_alternative %{_bindir}/espsecure.py
+%python_alternative %{_bindir}/espefuse.py
 %{python_sitelib}/*
 
 %changelog