diff --git a/scripts/fixup_tasks_v2_keywords.py b/scripts/fixup_tasks_v2_keywords.py
index 30d65ed0..e16cf3e3 100644
--- a/scripts/fixup_tasks_v2_keywords.py
+++ b/scripts/fixup_tasks_v2_keywords.py
@@ -1,3 +1,4 @@
+#!/usr/bin/env python3
 # -*- coding: utf-8 -*-
 
 # Copyright 2020 Google LLC
diff --git a/scripts/fixup_tasks_v2beta2_keywords.py b/scripts/fixup_tasks_v2beta2_keywords.py
index 3d480836..16788aaa 100644
--- a/scripts/fixup_tasks_v2beta2_keywords.py
+++ b/scripts/fixup_tasks_v2beta2_keywords.py
@@ -1,3 +1,4 @@
+#!/usr/bin/env python3
 # -*- coding: utf-8 -*-
 
 # Copyright 2020 Google LLC
diff --git a/scripts/fixup_tasks_v2beta3_keywords.py b/scripts/fixup_tasks_v2beta3_keywords.py
index 30d65ed0..e16cf3e3 100644
--- a/scripts/fixup_tasks_v2beta3_keywords.py
+++ b/scripts/fixup_tasks_v2beta3_keywords.py
@@ -1,3 +1,4 @@
+#!/usr/bin/env python3
 # -*- coding: utf-8 -*-
 
 # Copyright 2020 Google LLC