diff --git a/tools/generate_connector_list.py b/tools/generate_connector_list.py
index fafacacf4..1290da924 100755
--- a/tools/generate_connector_list.py
+++ b/tools/generate_connector_list.py
@@ -1,4 +1,4 @@
-#! /usr/bin/env python
+#! /usr/bin/env python3
 #
 #    Licensed under the Apache License, Version 2.0 (the "License"); you may
 #    not use this file except in compliance with the License. You may obtain
diff --git a/tools/lintstack.py b/tools/lintstack.py
index 72db44110..532d74f77 100755
--- a/tools/lintstack.py
+++ b/tools/lintstack.py
@@ -1,4 +1,4 @@
-#!/usr/bin/env python
+#!/usr/bin/env python3
 # Copyright (c) 2013, AT&T Labs, Yun Mao <yunmao@gmail.com>
 # All Rights Reserved.
 #