diff --git a/package.json b/package.json
index 40e4fea..f946a13 100644
--- a/package.json
+++ b/package.json
@@ -19,6 +19,6 @@
   "dependencies": {
     "readable-stream": "1.0.33",
     "debug": "4.3.1",
-    "ws": "1.1.0"
+    "ws": "5.2.5"
   }
 }