diff --git a/lib/interfaces/swagger-custom-options.interface.ts b/lib/interfaces/swagger-custom-options.interface.ts
index 502ab6b3b..6d51dd485 100644
--- a/lib/interfaces/swagger-custom-options.interface.ts
+++ b/lib/interfaces/swagger-custom-options.interface.ts
@@ -39,6 +39,7 @@ export interface FastifySwaggerCustomOptions extends CommonSwaggerCustomOptions
       | false;
     tryItOutEnabled: boolean;
     validatorUrl: string | null;
+    persistAuthorization: boolean;
   }>;
   initOAuth?: Record<string, any>;
   staticCSP?: boolean | string | Record<string, string | string[]>;