diff --git a/.changeset/wet-dryers-care.md b/.changeset/wet-dryers-care.md
new file mode 100644
index 00000000..71044952
--- /dev/null
+++ b/.changeset/wet-dryers-care.md
@@ -0,0 +1,5 @@
+---
+'react-simplikit': patch
+---
+
+The implementation of `useStorageState` now allows not only type aliases but also types defined as interfaces within `Serializable<T>`.
diff --git a/src/hooks/useStorageState/useStorageState.ts b/src/hooks/useStorageState/useStorageState.ts
index 5d87d2e3..5d3426b1 100644
--- a/src/hooks/useStorageState/useStorageState.ts
+++ b/src/hooks/useStorageState/useStorageState.ts
@@ -4,8 +4,12 @@ import { SetStateAction, useCallback, useRef, useSyncExternalStore } from 'react
 import { safeLocalStorage, Storage } from './storage.ts';
 
 type ToObject<T> = T extends unknown[] | Record<string, unknown> ? T : never;
+type ToClosedObject<T> = { [K in keyof T]: T[K] };
+type NotFunction<T> = T extends (...args: unknown[]) => unknown ? never : T;
 
-export type Serializable<T> = T extends string | number | boolean ? T : ToObject<T>;
+export type Serializable<T> = T extends string | number | boolean
+  ? T
+  : ToObject<T> | (ToClosedObject<T> & NotFunction<T>);
 
 type StorageStateOptions<T> = {
   storage?: Storage;