diff --git a/package.json b/package.json
index 967ca049a1..7dfa06dbd2 100644
--- a/package.json
+++ b/package.json
@@ -26,12 +26,12 @@
   },
   "dependencies": {
     "debug": "~2.6.6",
-    "engine.io": "~3.1.0",
+    "engine.io": "~4.0.0",
     "object-assign": "~4.1.1",
     "opencollective": "^1.0.3",
     "socket.io-adapter": "~1.1.0",
     "socket.io-client": "socketio/socket.io-client",
-    "socket.io-parser": "~3.1.1"
+    "socket.io-parser": "~3.4.1"
   },
   "devDependencies": {
     "babel-preset-es2015": "^6.24.1",