diff --git a/lib/vendor/openid/php-openid/admin/phpaliases.py b/lib/vendor/openid/php-openid/admin/phpaliases.py
index 34631c5..35aefb8 100755
--- a/lib/vendor/openid/php-openid/admin/phpaliases.py
+++ b/lib/vendor/openid/php-openid/admin/phpaliases.py
@@ -1,4 +1,4 @@
-#!/usr/bin/env python
+#!/usr/bin/env python3
 
 """This script searches files for functions that are just aliases in
 PHP source code. This is not 100% reliable, so it should not be
diff --git a/lib/vendor/openid/php-openid/contrib/upgrade-store-1.1-to-2.0 b/lib/vendor/openid/php-openid/contrib/upgrade-store-1.1-to-2.0
index 1f587c3..1c9d385 100755
--- a/lib/vendor/openid/php-openid/contrib/upgrade-store-1.1-to-2.0
+++ b/lib/vendor/openid/php-openid/contrib/upgrade-store-1.1-to-2.0
@@ -1,4 +1,4 @@
-#!/usr/bin/env python
+#!/usr/bin/env python3
 # SQL Store Upgrade Script
 # for version 1.x to 2.0 of the OpenID library.
 # Doesn't depend on the openid library, so you can run this python
diff --git a/lib/vendor/sabre/dav/bin/googlecode_upload.py b/lib/vendor/sabre/dav/bin/googlecode_upload.py
index b37ba4c..e007d21 100755
--- a/lib/vendor/sabre/dav/bin/googlecode_upload.py
+++ b/lib/vendor/sabre/dav/bin/googlecode_upload.py
@@ -1,4 +1,4 @@
-#!/usr/bin/env python
+#!/usr/bin/env python3
 #
 # Copyright 2006, 2007 Google Inc. All Rights Reserved.
 # Author: danderson@google.com (David Anderson)
diff --git a/lib/vendor/sabre/dav/bin/naturalselection b/lib/vendor/sabre/dav/bin/naturalselection
index 7e20439..287e4e4 100755
--- a/lib/vendor/sabre/dav/bin/naturalselection
+++ b/lib/vendor/sabre/dav/bin/naturalselection
@@ -1,4 +1,4 @@
-#!/usr/bin/env python
+#!/usr/bin/env python3
 
 #
 # Copyright (c) 2009-2010 Evert Pot
diff --git a/lib/vendor/openid/php-openid/admin/packagexml.py b/lib/vendor/openid/php-openid/admin/packagexml.py
index a1bd9f8..e66a09c 100755
--- a/lib/vendor/openid/php-openid/admin/packagexml.py
+++ b/lib/vendor/openid/php-openid/admin/packagexml.py
@@ -1,4 +1,4 @@
-#!/usr/bin/python
+#!/usr/bin/python3
 
 import os
 import os.path