diff --git a/package.json b/package.json
index 9aa8ca5..77c9b16 100644
--- a/package.json
+++ b/package.json
@@ -17,7 +17,7 @@
     "primus-emit": "0.1.2",
     "primus-spark-latency": "0.1.1",
     "shelljs": "0.4.0",
-    "web3": "0.3.4",
+    "web3": "0.4.3",
     "ws": "0.7.1"
   },
   "scripts": {