diff --git a/contrib/designate-ext-samplehandler/setup.py b/contrib/designate-ext-samplehandler/setup.py
index 70c2b3f32..736886f26 100755
--- a/contrib/designate-ext-samplehandler/setup.py
+++ b/contrib/designate-ext-samplehandler/setup.py
@@ -1,4 +1,4 @@
-#!/usr/bin/env python
+#!/usr/bin/env python3
 # Copyright (c) 2013 Hewlett-Packard Development Company, L.P.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
diff --git a/contrib/dns_dump_dnspy.py b/contrib/dns_dump_dnspy.py
index ae16fc9b3..e01520ac9 100755
--- a/contrib/dns_dump_dnspy.py
+++ b/contrib/dns_dump_dnspy.py
@@ -1,4 +1,4 @@
-#!/usr/bin/env python
+#!/usr/bin/env python3
 # Copyright 2014 Hewlett-Packard Development Company, L.P.
 #
 # Author: Kiall Mac Innes <kiall@hp.com>
diff --git a/contrib/dns_dump_hex_to_text.py b/contrib/dns_dump_hex_to_text.py
index bc599de78..33433961d 100644
--- a/contrib/dns_dump_hex_to_text.py
+++ b/contrib/dns_dump_hex_to_text.py
@@ -1,4 +1,4 @@
-#!/usr/bin/env python
+#!/usr/bin/env python3
 # Copyright 2014 Hewlett-Packard Development Company, L.P.
 #
 # Author: Kiall Mac Innes <kiall@hp.com>
diff --git a/contrib/dns_dump_raw.py b/contrib/dns_dump_raw.py
index 24b28d009..374de00bf 100755
--- a/contrib/dns_dump_raw.py
+++ b/contrib/dns_dump_raw.py
@@ -1,4 +1,4 @@
-#!/usr/bin/env python
+#!/usr/bin/env python3
 # Copyright 2014 Hewlett-Packard Development Company, L.P.
 #
 # Author: Kiall Mac Innes <kiall@hp.com>
diff --git a/contrib/dns_dump_server.py b/contrib/dns_dump_server.py
index eb558b2ca..ef20359f7 100755
--- a/contrib/dns_dump_server.py
+++ b/contrib/dns_dump_server.py
@@ -1,4 +1,4 @@
-#!/usr/bin/env python
+#!/usr/bin/env python3
 # Copyright 2014 Hewlett-Packard Development Company, L.P.
 #
 # Author: Kiall Mac Innes <kiall@hp.com>