diff --git a/package.json b/package.json
index 68d8c3a..f737056 100644
--- a/package.json
+++ b/package.json
@@ -7,7 +7,7 @@
   "repository": "stream-utils/unique-hash-stream",
   "dependencies": {
     "json-stringify-safe": "5",
-    "readable-stream": "1"
+    "readable-stream": "2.0.5"
   },
   "devDependencies": {
     "istanbul": "0",