diff --git a/deploy/docker/cp-edge/wetty/package.json b/deploy/docker/cp-edge/wetty/package.json
index 203630fc62..f21274f957 100644
--- a/deploy/docker/cp-edge/wetty/package.json
+++ b/deploy/docker/cp-edge/wetty/package.json
@@ -3,7 +3,7 @@
     "version": "0.2.0",
     "dependencies": {
         "express": "3.5.1",
-        "socket.io": "^1.3.7",
+        "socket.io": "^2.4.0",
         "pty.js": "^0.3.0",
         "optimist": "^0.6",
         "sync-request": "^4.1.0"