diff --git a/package.json b/package.json
index cc0b6bd..c3ecb3f 100644
--- a/package.json
+++ b/package.json
@@ -31,7 +31,7 @@
     "msgpack-lite": "^0.1.26",
     "underscore": "1.3.3",
     "uuid": "^3.0.0",
-    "zeromq": "^4.1.1"
+    "zeromq": "^4.6.0"
   },
   "devDependencies": {
     "nodeunit": "0.9.1",