diff --git a/sdk_lib/updates/129.0.0_python_exec_transition.sh b/sdk_lib/updates/129.0.0_python_exec_transition.sh
new file mode 100644
index 0000000000..e3046a4bb8
--- /dev/null
+++ b/sdk_lib/updates/129.0.0_python_exec_transition.sh
@@ -0,0 +1,11 @@
+#!/bin/bash
+
+# Copyright (c) 2013 The CoreOS Authors. All rights reserved.
+# Use of this source code is governed by a BSD-style license that can be
+# found in the LICENSE file.
+
+# Upgrade python-exec, will transition to dev-lang/python-exec
+sudo emerge -qu dev-python/python-exec
+
+# Re-install portage and gentoolkit which tended to have issues
+sudo emerge -q sys-apps/portage app-portage/gentoolkit