diff --git a/package.json b/package.json
index 7d53d50..7fa2434 100644
--- a/package.json
+++ b/package.json
@@ -22,7 +22,7 @@
         "smith": "~0.1.17",
         "msgpack-js-browser": "~0.1.3",
         "engine.io": "0.5.0",
-        "engine.io-client": "0.5.0"
+        "engine.io-client": "3.4.0"
     },
     "scripts": {
         "test": "node test/all.js"