diff --git a/index.js b/index.js
index 867c47f4a..b73f98aff 100644
--- a/index.js
+++ b/index.js
@@ -13,6 +13,7 @@ bitcore.ECDSA = require('./lib/ecdsa');
 bitcore.Hash = require('./lib/hash');
 bitcore.KDF = require('./lib/kdf');
 bitcore.Key = require('./lib/key');
+bitcore.Message = require('./lib/message');
 bitcore.Point = require('./lib/point');
 bitcore.Privkey = require('./lib/privkey');
 bitcore.Pubkey = require('./lib/pubkey');