diff --git a/lib/utils.js b/lib/utils.js
index a39befd5b..7f6294232 100644
--- a/lib/utils.js
+++ b/lib/utils.js
@@ -1,9 +1,9 @@
 'use strict';
 
-let assert = require('assert');
-let Semver = require('semver');
-let URL = require('url');
-let Logger = require('./logger');
+const assert = require('assert');
+const Semver = require('semver');
+const URL = require('url');
+const Logger = require('./logger');
 
 /**
  * Validate a package.