diff --git a/app/bitcoin/keys.js b/app/bitcoin/keys.js
index e7344c5..4c26a9b 100644
--- a/app/bitcoin/keys.js
+++ b/app/bitcoin/keys.js
@@ -1,4 +1,4 @@
-const {PrivateKey, Random, PublicKey} = require('bitcoinjs-lib');
+import {PrivateKey, Random, PublicKey} = require('bitcoinjs-lib');
 
 // Generate three key pairs
 const key1 = bitcoin.ECPair.makeRandom();