diff --git a/package.json b/package.json
index a244b50..cdfe8ce 100644
--- a/package.json
+++ b/package.json
@@ -6,8 +6,7 @@
     "bignumber.js": "^6.0.0",
     "bitcore-mnemonic": "^1.5.0",
     "bs58check": "^2.1.1",
-    "ethereumjs-util": "^6.2.0",
-    "sha3": "^2.1.1",
+    "keccak": "^2.1.0",
     "tweetnacl": "^1.0.0",
     "uuid": "^3.3.2"
   },