diff --git a/README.md b/README.md
index 4e49d8f2..3b0e160b 100644
--- a/README.md
+++ b/README.md
@@ -18,15 +18,15 @@ _requires pg>=2.8.1_
 ## use
 
 ```js
-var pg = require('pg')
-var QueryStream = require('pg-query-stream')
-var JSONStream = require('JSONStream')
+const pg = require('pg')
+const QueryStream = require('pg-query-stream')
+const JSONStream = require('JSONStream')
 
 //pipe 1,000,000 rows to stdout without blowing up your memory usage
-pg.connect(function(err, client, done) {
-  if(err) throw err;
-  var query = new QueryStream('SELECT * FROM generate_series(0, $1) num', [1000000])
-  var stream = client.query(query)
+pg.connect((err, client, done) => {
+  if (err) throw err;
+  const query = new QueryStream('SELECT * FROM generate_series(0, $1) num', [1000000])
+  const stream = client.query(query)
   //release the client when the stream is finished
   stream.on('end', done)
   stream.pipe(JSONStream.stringify()).pipe(process.stdout)