diff --git a/package.json b/package.json
index 7b23c8e..7c22f16 100644
--- a/package.json
+++ b/package.json
@@ -83,7 +83,7 @@
     "react-dom": "^16.0.0",
     "shortid": "^2.2.8",
     "split": "^1.0.1",
-    "ws": "^5.0.0",
+    "ws": "^6.0.0",
     "yargs": "^12.0.1"
   },
   "optionalDependencies": {