diff --git a/package.json b/package.json
index b2063f3..a55a7f5 100644
--- a/package.json
+++ b/package.json
@@ -49,7 +49,7 @@
     "mocha": "*"
   },
   "dependencies": {
-    "elliptic": "^3.0.1",
+    "elliptic": "^4.0.0",
     "es6-promise": "^2.0.1",
     "nan": "^1.4.1"
   },