diff --git a/docx-wasm/js/json/index.ts b/docx-wasm/js/json/index.ts
index d755180..821d78d 100644
--- a/docx-wasm/js/json/index.ts
+++ b/docx-wasm/js/json/index.ts
@@ -35,16 +35,18 @@ export type DocxJSON = {
     comments: CommentJSON[];
   };
   numberings: NumberingsJSON;
-  settings: {
-    // w15:docId
-    docId: string | null;
-    defaultTabStop: number;
-    zoom: number;
-    docVars: { name: string; val: string }[];
-  };
+  settings: SettingsJSON;
   fontTable: {};
 };
 
+export type SettingsJSON = {
+  // w15:docId
+  docId: string | null;
+  defaultTabStop: number;
+  zoom: number;
+  docVars: { name: string; val: string }[];
+};
+
 export * from "./styles";
 export * from "./border";
 export * from "./document";
diff --git a/docx-wasm/package.json b/docx-wasm/package.json
index c7468d9..2fa05e3 100644
--- a/docx-wasm/package.json
+++ b/docx-wasm/package.json
@@ -1,6 +1,6 @@
 {
   "name": "docx-wasm",
-  "version": "0.0.180",
+  "version": "0.0.181",
   "main": "dist/node/index.js",
   "browser": "dist/web/index.js",
   "author": "bokuweb <bokuweb12@gmail.com>",