diff --git a/cmake/cpplint/cpplint.py b/cmake/cpplint/cpplint.py
index 2700bae29f8..956684d03f9 100644
--- a/cmake/cpplint/cpplint.py
+++ b/cmake/cpplint/cpplint.py
@@ -1,4 +1,4 @@
-#!/usr/bin/env python
+#!/usr/bin/env python3
 #
 # Copyright (c) 2009 Google Inc. All rights reserved.
 #