diff --git a/package.json b/package.json
index 85087ea..f99159e 100644
--- a/package.json
+++ b/package.json
@@ -28,5 +28,8 @@
     "transduce": "^0.8.0",
     "transducers-js": "^0.4.158",
     "transducers.js": "^0.3.1"
+  },
+  "dependencies": {
+    "readable-stream": "^2.3.5"
   }
 }
diff --git a/test/test.js b/test/test.js
index 1c24789..0f9ab7b 100644
--- a/test/test.js
+++ b/test/test.js
@@ -1,7 +1,7 @@
 "use strict"
 var stream = require('../'),
-    Readable = require('stream').Readable,
-    Writable = require('stream').Writable,
+    Readable = require('readable-stream').Readable,
+    Writable = require('readable-stream').Writable,
     string = require('transduce/string'),
     tap = require('transduce/transducers/tap'),
     transduce = require('any-transduce'),
diff --git a/transduce-stream.js b/transduce-stream.js
index 3ac9e35..9fde1b2 100644
--- a/transduce-stream.js
+++ b/transduce-stream.js
@@ -1,6 +1,6 @@
 "use strict"
 var util = require('util'),
-    Transform = require('stream').Transform
+    Transform = require('readable-stream').Transform
 
 module.exports = TransduceStream