diff --git a/package.json b/package.json
index a81ce7f..52afd87 100644
--- a/package.json
+++ b/package.json
@@ -18,6 +18,7 @@
     "sha3": "*",
     "base58-native": "*",
     "varuint-bitcoin": "^1.0.4",
+    "merkle-lib": "^2.0.10",
     "bitcoinjs-lib": "git+https://github.com/MoneroOcean/bitcoinjs-lib.git"
   },
   "keywords": [