diff --git a/package.json b/package.json
index bf3fe3f9..ea1cf044 100644
--- a/package.json
+++ b/package.json
@@ -25,7 +25,7 @@
   ],
   "dependencies": {
     "debug": "^2.2.0",
-    "eventsource": "0.1.6",
+    "eventsource": "4.1.0",
     "faye-websocket": "~0.11.0",
     "inherits": "^2.0.1",
     "json3": "^3.3.2",