diff --git a/package.json b/package.json
index 9f04b3f654..4c156c3579 100644
--- a/package.json
+++ b/package.json
@@ -21,12 +21,12 @@
     "test": "mocha --reporter dot --slow 200ms --bail"
   },
   "dependencies": {
-    "engine.io": "1.6.4",
-    "socket.io-parser": "2.2.6",
+    "engine.io": "3.1.5",
+    "socket.io-parser": "3.1.3",
     "socket.io-client": "automattic/socket.io-client#master",
-    "socket.io-adapter": "0.4.0",
+    "socket.io-adapter": "1.1.1",
     "has-binary": "0.1.7",
-    "debug": "2.2.0"
+    "debug": "3.1.0"
   },
   "devDependencies": {
     "expect.js": "0.3.1",