diff --git a/benchmarks/benchmark.js b/benchmarks/benchmark.js
index b443053340d..5ceb83ecfb6 100644
--- a/benchmarks/benchmark.js
+++ b/benchmarks/benchmark.js
@@ -6,6 +6,7 @@ const http = require('http')
 const os = require('os')
 const path = require('path')
 const { table } = require('table')
+const { WritableStream } = require('stream/web')
 
 const { Pool, Client, fetch, Agent, setGlobalDispatcher } = require('..')