diff --git a/package.json b/package.json
index 12f32704..32bab423 100644
--- a/package.json
+++ b/package.json
@@ -92,7 +92,7 @@
     "create-hash": "^1.1.2",
     "ethjs-util": "0.1.6",
     "keccak": "^1.0.2",
-    "rlp": "^2.0.0",
+    "rlp": "^2.2.3",
     "secp256k1": "^3.0.1"
   },
   "devDependencies": {