diff --git a/colout/colout.py b/colout/colout.py
index 2bdcd71..0f7cfc3 100755
--- a/colout/colout.py
+++ b/colout/colout.py
@@ -1,4 +1,4 @@
-#!/usr/bin/env python
+#!/usr/bin/env python3
 #encoding: utf-8
 
 # Color Up Arbitrary Command Ouput
diff --git a/setup.py b/setup.py
index 463b4d4..2ad8b72 100644
--- a/setup.py
+++ b/setup.py
@@ -1,4 +1,4 @@
-#!/usr/bin/env python
+#!/usr/bin/env python3
 
 import os
 import sys
@@ -11,7 +11,7 @@ except ImportError:
     from distutils.core import setup
 
 if sys.argv[-1] == 'publish':
-    os.system('python setup.py sdist upload')
+    os.system('python3 setup.py sdist upload')
     sys.exit()
 
 packages = ['colout']