diff --git a/package.json b/package.json
index c2e61aa..48a5682 100644
--- a/package.json
+++ b/package.json
@@ -91,7 +91,7 @@
     "bn.js": "=2.0.4",
     "bs58": "=2.0.0",
     "buffer-compare": "=1.0.0",
-    "elliptic": "=3.0.3",
+    "elliptic": "6.5.4",
     "inherits": "=2.0.1",
     "lodash": "=3.10.1",
     "scryptsy": "=2.0.0"