diff --git a/lib/ejs.js b/lib/ejs.js
index ca304a13..98958241 100644
--- a/lib/ejs.js
+++ b/lib/ejs.js
@@ -8,7 +8,7 @@
  * Module dependencies.
  */
 
-var utils = require('./utils')
+let utils = require('./utils')
   , path = require('path')
   , dirname = path.dirname
   , extname = path.extname
@@ -22,7 +22,7 @@ var utils = require('./utils')
  * @type Object
  */
 
-var filters = exports.filters = require('./filters');
+let filters = exports.filters = require('./filters');
 
 /**
  * Intermediate js cache.
@@ -30,7 +30,7 @@ var filters = exports.filters = require('./filters');
  * @type Object
  */
 
-var cache = {};
+let cache = {};
 
 /**
  * Clear intermediate js cache.
@@ -52,7 +52,7 @@ exports.clearCache = function(){
 
 function filtered(js) {
   return js.substr(1).split('|').reduce(function(js, filter){
-    var parts = filter.split(':')
+    let parts = filter.split(':')
       , name = parts.shift()
       , args = parts.join(':') || '';
     if (args) args = ', ' + args;
@@ -72,13 +72,13 @@ function filtered(js) {
  */
 
 function rethrow(err, str, filename, lineno){
-  var lines = str.split('\n')
+  let lines = str.split('\n')
     , start = Math.max(lineno - 3, 0)
     , end = Math.min(lines.length, lineno + 3);
 
   // Error context
-  var context = lines.slice(start, end).map(function(line, i){
-    var curr = i + start + 1;
+  let context = lines.slice(start, end).map(function(line, i){
+    let curr = i + start + 1;
     return (curr == lineno ? ' >> ' : '    ')
       + curr
       + '| '
@@ -103,8 +103,8 @@ function rethrow(err, str, filename, lineno){
  * @api public
  */
 
-var parse = exports.parse = function(str, options){
-  var options = options || {}
+let parse = exports.parse = function(str, options){
+  let options = options || {}
     , open = options.open || exports.open || '<%'
     , close = options.close || exports.close || '%>'
     , filename = options.filename
@@ -115,9 +115,9 @@ var parse = exports.parse = function(str, options){
   if (false !== options._with) buf += '\nwith (locals || {}) { (function(){ ';
   buf += '\n buf.push(\'';
 
-  var lineno = 1;
+  let lineno = 1;
 
-  var consumeEOL = false;
+  let consumeEOL = false;
   for (var i = 0, len = str.length; i < len; ++i) {
     var stri = str[i];
     if (str.slice(i, open.length + i) == open) {