diff --git a/package.json b/package.json
index de9761a8..9eefe56e 100644
--- a/package.json
+++ b/package.json
@@ -56,7 +56,7 @@
     "tslint-eslint-rules": "1.5.0",
     "uglify-js": "2.7.3",
     "webpack": "2.2.0-rc.3",
-    "ws": "1.1.1",
+    "ws": "8.17.1",
     "xml2js": "^0.4.17"
   },
   "devDependencies": {