diff --git a/node/routes/index.js b/node/routes/index.js
index ecca96a..6e84977 100644
--- a/node/routes/index.js
+++ b/node/routes/index.js
@@ -1,5 +1,5 @@
-var express = require('express');
-var router = express.Router();
+const express = require('express');
+const router = express.Router();
 
 /* GET home page. */
 router.get('/', function(req, res, next) {