diff --git a/cpplint.py b/cpplint.py
index 4573d89..e400b05 100755
--- a/cpplint.py
+++ b/cpplint.py
@@ -1,4 +1,4 @@
-#!/usr/bin/env python
+#!/usr/bin/env python3
 #
 # Copyright (c) 2009 Google Inc. All rights reserved.
 #
diff --git a/cpplint_clitest.py b/cpplint_clitest.py
index b20566f..7cb2047 100755
--- a/cpplint_clitest.py
+++ b/cpplint_clitest.py
@@ -1,4 +1,4 @@
-#!/usr/bin/env python
+#!/usr/bin/env python3
 #
 # Copyright (c) 2009 Google Inc. All rights reserved.
 #
diff --git a/cpplint_unittest.py b/cpplint_unittest.py
index 730babd..e36093f 100755
--- a/cpplint_unittest.py
+++ b/cpplint_unittest.py
@@ -1,4 +1,4 @@
-#!/usr/bin/env python
+#!/usr/bin/env python3
 #
 # Copyright (c) 2009 Google Inc. All rights reserved.
 #