diff --git a/package.json b/package.json
index f231cd0ad5d3f6b91a22ded8cf095bf5a205678a..aa910d04e388cd5a53df21fbb99c672de2dcfdbb 100644
--- a/package.json
+++ b/package.json
@@ -101,7 +101,7 @@
     "unzip2": "0.2.5",
     "winston": "2.3.1",
     "wotb": "0.6.x",
-    "ws": "1.1.1"
+    "ws": "1.1.5"
   },
   "devDependencies": {
     "@types/mocha": "^2.2.41",