diff --git a/tools/build/bazel/onos_app_tools.py b/tools/build/bazel/onos_app_tools.py
index 9979ab5..d780634 100755
--- a/tools/build/bazel/onos_app_tools.py
+++ b/tools/build/bazel/onos_app_tools.py
@@ -1,4 +1,4 @@
-#!/usr/bin/env python
+#!/usr/bin/env python3
 """
  Copyright 2018-present Open Networking Foundation