diff --git a/index.js b/index.js
index 7c4f0cc..b79ad06 100644
--- a/index.js
+++ b/index.js
@@ -48,6 +48,7 @@ bitcore.deps.bnjs = require('bn.js');
 bitcore.deps.bs58 = require('bs58');
 bitcore.deps.Buffer = Buffer;
 bitcore.deps.elliptic = require('elliptic');
+bitcore.deps._ = require('lodash');
 
 // Internal usage, exposed for testing/advanced tweaking
 bitcore._HDKeyCache = require('./lib/hdkeycache');