diff --git a/package.json b/package.json
index 2d18256a4..48ff76f1f 100644
--- a/package.json
+++ b/package.json
@@ -20,7 +20,7 @@
     "fabric-ca-client": "^1.0.0",
     "fabric-client": "^1.0.0",
     "fast-stats": "0.0.3",
-    "log4js": "^0.6.38",
+    "log4js": "^6.4.0",
     "mysql": "^2.13.0",
     "prettyjson": "^1.2.1",
     "socket.io": "^2.0.3",