diff --git a/package.json b/package.json
index 328140c..8b8edcf 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@bsv/spv-wallet-js-client",
-  "version": "1.0.0-beta.27",
+  "version": "1.0.0-beta.28",
   "description": "TypeScript library for connecting to a SPV Wallet server",
   "repository": {
     "type": "git",
diff --git a/src/types.ts b/src/types.ts
index a3fde92..7caaa06 100644
--- a/src/types.ts
+++ b/src/types.ts
@@ -295,9 +295,9 @@ export interface Contacts extends PageModel<Contact> {}
  */
 export interface OldContact {
   id: string;
-  full_name: string;
+  fullName: string;
   paymail: string;
-  pub_key: string;
+  pubKey: string;
   status: string;
   created_at: Date;
   updated_at?: Date;