diff --git a/templates/bothub-template/app.js b/templates/bothub-template/app.js
index f440b80..b79e673 100644
--- a/templates/bothub-template/app.js
+++ b/templates/bothub-template/app.js
@@ -1,3 +1,5 @@
+"use strict";
+
 var Flint = require('node-flint');
 var webhook = require('node-flint/webhook');
 var express = require('express');
diff --git a/templates/bothub-template/flint.js b/templates/bothub-template/flint.js
index 0a52d57..6c0b384 100644
--- a/templates/bothub-template/flint.js
+++ b/templates/bothub-template/flint.js
@@ -1,3 +1,5 @@
+"use strict";
+
 module.exports = function(flint) {
   flint.hears('hello', function(bot, trigger) {
     bot.say('Hello %s!', trigger.personDisplayName);
diff --git a/templates/bothub-template/test.js b/templates/bothub-template/test.js
index 15b594a..6ed08f4 100644
--- a/templates/bothub-template/test.js
+++ b/templates/bothub-template/test.js
@@ -1,3 +1,5 @@
+"use strict";
+
 var Flint = require('node-flint');
 var webhook = require('node-flint/webhook');
 var Socket2meClient = require('socket2me-client');