diff --git a/src/resolverModule.ts b/src/resolverModule.ts
index 0370a0a..9690f34 100644
--- a/src/resolverModule.ts
+++ b/src/resolverModule.ts
@@ -2,7 +2,7 @@ import type { DNSResult, ResolverOptions } from "./types.js";
 import { getTld } from "./util.js";
 
 declare class ResolverRegistry {
-  get resolvers(): Set<ResolverModule>;
+  get resolvers(): Set<ResolverModule> | Promise<Set<ResolverModule>>;
   resolve(
     domain: string,
     options?: ResolverOptions,