diff --git a/package.json b/package.json
index 37ca942..53e93d1 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@tanglelabs/web-identity-adapter",
-  "version": "0.2.0",
+  "version": "0.2.1",
   "description": "did:web adapter",
   "main": "dist/index.js",
   "types": "dist/index.d.js",
diff --git a/src/index.ts b/src/index.ts
index 34e2b9e..1e6067b 100644
--- a/src/index.ts
+++ b/src/index.ts
@@ -337,6 +337,7 @@ export class DidKeyCredentialsManager<
             alg: "EdDSA",
         };
         const types = Array.isArray(type) ? [...type] : [type];
+        const extras = options.extras ?? {};
         const credential: JwtCredentialPayload = {
             sub: recipientDid,
             nbf: Math.floor(Date.now() / 1000),
@@ -348,6 +349,7 @@ export class DidKeyCredentialsManager<
                 ],
                 type: ["VerifiableCredential", "OpenBadgeCredential"],
                 id,
+                ...extras,
                 name: type,
                 issuer: {
                     id: new URL("/", id).toString(),