diff --git a/package.json b/package.json
index 4866598..9d6ec05 100644
--- a/package.json
+++ b/package.json
@@ -22,7 +22,7 @@
     "joi": "^8.0.2",
     "jsonwebtoken": "^7.4.1",
     "rxjs": "^5.0.0-beta.2",
-    "ws": "^2.0.0"
+    "ws": "^3.3.1"
   },
   "devDependencies": {
     "babel-preset-es2015": "^6.5.0",