diff --git a/package.json b/package.json
index 140bb52..d8bfa16 100644
--- a/package.json
+++ b/package.json
@@ -17,7 +17,7 @@
     "chart.js": "^2.7.2",
     "degrees-to-direction": "^1.1.1",
     "express": "^4.16.2",
-    "express-ws": "^3.0.0",
+    "express-ws": "^5.0.1",
     "moment": "^2.20.1",
     "mqtt": "^2.15.2",
     "mustache": "^2.3.0",