diff --git a/server/package.json b/server/package.json
index 11b1c52b6..034da9249 100644
--- a/server/package.json
+++ b/server/package.json
@@ -32,7 +32,7 @@
     "pem": "^1.8.1",
     "rethinkdb": "^2.1.1",
     "winston": "^2.1.0",
-    "ws": "^1.1.0"
+    "ws": "^7.4.6"
   },
   "devDependencies": {
     "eslint": "^2.3.0",