diff --git a/test/parallel/test-cluster-net-listen.js b/test/parallel/test-cluster-net-listen.js
index 42c13f388f..d065c466f2 100644
--- a/test/parallel/test-cluster-net-listen.js
+++ b/test/parallel/test-cluster-net-listen.js
@@ -1,8 +1,8 @@
 'use strict';
-var common = require('../common');
-var assert = require('assert');
-var cluster = require('cluster');
-var net = require('net');
+const common = require('../common');
+const assert = require('assert');
+const cluster = require('cluster');
+const net = require('net');
 
 if (cluster.isMaster) {
   // ensure that the worker exits peacefully