diff --git a/amalgamate.py b/amalgamate.py
index b22383800..376875f9c 100755
--- a/amalgamate.py
+++ b/amalgamate.py
@@ -1,4 +1,4 @@
-#!/usr/bin/env python
+#!/usr/bin/env python3
 """A package-based, source code amalgamater."""
 import os
 import sys
diff --git a/scripts/xonsh b/scripts/xonsh
index 31f2b7709..02d7ca684 100755
--- a/scripts/xonsh
+++ b/scripts/xonsh
@@ -1,3 +1,3 @@
-#!/usr/bin/env python -u
+#!/usr/bin/env python3 -u
 from xonsh.main import main
 main()
diff --git a/setup.py b/setup.py
index f3f5c9c99..7fdafa5aa 100755
--- a/setup.py
+++ b/setup.py
@@ -1,4 +1,4 @@
-#!/usr/bin/env python
+#!/usr/bin/env python3
 # -*- coding: ascii -*-
 """The xonsh installer."""
 # Note: Do not embed any non-ASCII characters in this file until pip has been
diff --git a/xonsh-in-docker.py b/xonsh-in-docker.py
index 1d32a6a67..dd194556a 100755
--- a/xonsh-in-docker.py
+++ b/xonsh-in-docker.py
@@ -1,4 +1,4 @@
-#!/usr/bin/env python
+#!/usr/bin/env python3
 import subprocess
 import os
 import argparse