diff --git a/package.json b/package.json
index bf8d64e..8189de4 100644
--- a/package.json
+++ b/package.json
@@ -65,7 +65,7 @@
     "run-sequence": "=1.0.2",
     "serve-favicon": "=2.2.0",
     "sinon": "=1.13.0",
-    "socket.io": "=2.4.0",
+    "socket.io": "=2.5.0",
     "socket.io-client": "=1.3.5",
     "supertest": "=0.15.0",
     "three": "=0.125.0"