diff --git a/tripleoclient/constants.py b/tripleoclient/constants.py
index 009c88885..104620b12 100644
--- a/tripleoclient/constants.py
+++ b/tripleoclient/constants.py
@@ -253,6 +253,7 @@ EXPORT_DATA = {
 # Package that need to be to the latest before undercloud
 # update/update
 UNDERCLOUD_EXTRA_PACKAGES = [
+    "python3-tripleoclient",
     "openstack-tripleo-common",
     "openstack-tripleo-heat-templates",
     "openstack-tripleo-validations",
diff --git a/tripleoclient/tests/v1/undercloud/test_install_upgrade.py b/tripleoclient/tests/v1/undercloud/test_install_upgrade.py
index 3ab889f7f..b9803707c 100644
--- a/tripleoclient/tests/v1/undercloud/test_install_upgrade.py
+++ b/tripleoclient/tests/v1/undercloud/test_install_upgrade.py
@@ -17,7 +17,6 @@ import fixtures
 import json
 import mock
 import os
-import sys
 
 from jinja2 import Template
 
@@ -539,7 +538,6 @@ class TestUndercloudUpgrade(TestPluginV1):
 
     @mock.patch('tripleoclient.utils.prompt_user_for_confirmation',
                 return_value=True)
-    @mock.patch.object(sys, 'executable', 'python2')
     # TODO(cjeanner) drop once we have proper oslo.privsep
     @mock.patch('os.geteuid', return_value=1001)
     @mock.patch('getpass.getuser', return_value='stack')
@@ -560,7 +558,7 @@ class TestUndercloudUpgrade(TestPluginV1):
         self.cmd.take_action(parsed_args)
         mock_run_command.assert_called_with(
             ['sudo', 'dnf', 'upgrade', '-y',
-             'python2-tripleoclient',
+             'python3-tripleoclient',
              'openstack-tripleo-common',
              'openstack-tripleo-heat-templates',
              'openstack-tripleo-validations',
@@ -609,7 +607,6 @@ class TestUndercloudUpgrade(TestPluginV1):
              '/usr/share/openstack-tripleo-heat-templates/'
              'undercloud-stack-vstate-dropin.yaml'])
 
-    @mock.patch.object(sys, 'executable', 'python3')
     # TODO(cjeanner) drop once we have proper oslo.privsep
     @mock.patch('os.geteuid', return_value=1001)
     @mock.patch('getpass.getuser', return_value='stack')
diff --git a/tripleoclient/v1/undercloud.py b/tripleoclient/v1/undercloud.py
index 20cea996c..63ee5d030 100644
--- a/tripleoclient/v1/undercloud.py
+++ b/tripleoclient/v1/undercloud.py
@@ -19,7 +19,6 @@ import argparse
 import logging
 import os
 import subprocess
-import sys
 
 from openstackclient.i18n import _
 
@@ -245,15 +244,8 @@ class UpgradeUndercloud(InstallUndercloud):
         utils.ensure_run_as_normal_user()
 
         if not parsed_args.skip_package_updates:
-            if ('python3' in sys.executable):
-                pyver = '3'
-            else:
-                pyver = '2'
-            client_pkgs = [
-                "python{}-tripleoclient".format(pyver),
-            ]
-            pkgs = client_pkgs + constants.UNDERCLOUD_EXTRA_PACKAGES
-            self._update_extra_packages(pkgs, parsed_args.dry_run)
+            self._update_extra_packages(constants.UNDERCLOUD_EXTRA_PACKAGES,
+                                        parsed_args.dry_run)
 
         if not parsed_args.dry_run:
             self._run_upgrade(parsed_args)