diff --git a/package.json b/package.json
index 014ff6f..9328cb0 100644
--- a/package.json
+++ b/package.json
@@ -40,8 +40,8 @@
     "scryptsy": "^1.2.1",
     "aes-js": "^3.1.1",
     "bs58check": "^2.1.2",
+    "ethereum-cryptography": "^0.1.3",
     "ethereumjs-util": "^6.0.0",
-    "hdkey": "^1.1.1",
     "randombytes": "^2.0.6",
     "safe-buffer": "^5.1.2",
     "utf8": "^3.0.0",
diff --git a/src/hdkey.js b/src/hdkey.js
index ac95fdb..b7c4888 100644
--- a/src/hdkey.js
+++ b/src/hdkey.js
@@ -1,4 +1,4 @@
-const HDKey = require('hdkey')
+const { HDKey } = require('ethereum-cryptography/hdkey')
 const Wallet = require('./index.js')
 
 function EthereumHDKey () {