diff --git a/package.json b/package.json
index 476bff78..05495125 100644
--- a/package.json
+++ b/package.json
@@ -48,7 +48,7 @@
     "source-map-support": "^0.5.5",
     "teen_process": "^1.9.0",
     "temp": "^0.8.3",
-    "ws": "^5.0.0",
+    "ws": "^6.0.0",
     "yargs": "^12.0.1"
   },
   "scripts": {