diff --git a/apps/backend/src/auth/dto/passkey-login.dto.ts b/apps/backend/src/auth/dto/passkey-login.dto.ts
index 223164f..d20248f 100644
--- a/apps/backend/src/auth/dto/passkey-login.dto.ts
+++ b/apps/backend/src/auth/dto/passkey-login.dto.ts
@@ -1,3 +1,6 @@
+import { IsObject } from "class-validator";
+
 export class PasskeyLoginDto {
+    @IsObject()
     credentialResponse: any;
 }
\ No newline at end of file