diff --git a/src/index.ts b/src/index.ts
index 02e2eae..20d9ab4 100644
--- a/src/index.ts
+++ b/src/index.ts
@@ -73,7 +73,7 @@ export default class DHTCache extends EventEmitter {
 
   private _cache: Set<string>;
 
-  public get cache(): {} {
+  public get cache(): string[] {
     return [...this._cache].sort();
   }