diff --git a/packages/core/crypto/elliptic.ts b/packages/core/crypto/elliptic.ts
index d672d4c..b9e0bca 100644
--- a/packages/core/crypto/elliptic.ts
+++ b/packages/core/crypto/elliptic.ts
@@ -1,4 +1,4 @@
-import * as elliptic from 'elliptic';
+import elliptic from 'elliptic';
 
 import { PublicKey } from './publicKey';
 import { Signer, SignatureAlgorithm } from './sign';