diff --git a/integ/browser-tests/package.json b/integ/browser-tests/package.json
index cac11f7a..c326bf6f 100644
--- a/integ/browser-tests/package.json
+++ b/integ/browser-tests/package.json
@@ -25,15 +25,15 @@
   "devDependencies": {
     "@nodelib/fs.walk": "^2.0.0",
     "@types/webpack": "^5.28.5",
-    "@zenfs/core": "0.16.3",
-    "@zenfs/dom": "0.2.14",
+    "@zenfs/core": "1.0.2",
+    "@zenfs/dom": "0.2.16",
     "fork-ts-checker-webpack-plugin": "^9.0.2",
     "html-webpack-plugin": "^5.6.0",
-    "puppeteer": "^23.4.0",
+    "puppeteer": "^23.5.0",
     "ts-loader": "^9.5.1",
     "tslib": "^2.7.0",
     "type-fest": "^4.26.1",
-    "webpack": "^5.94.0",
+    "webpack": "^5.95.0",
     "webpack-cli": "^5.1.4",
     "webpack-dev-server": "^5.1.0"
   }
diff --git a/integ/browser-tests/tests/segmented-object/browser.ts b/integ/browser-tests/tests/segmented-object/browser.ts
index c13d4982..8188efbb 100644
--- a/integ/browser-tests/tests/segmented-object/browser.ts
+++ b/integ/browser-tests/tests/segmented-object/browser.ts
@@ -42,7 +42,7 @@ window.testZenFS = async (payloadHex): Promise<FetchedInfo> => {
   await zenfsConfigure({
     mounts: {
       "/W": {
-        backend: WebAccess,
+        backend: WebAccess as any, // https://github.com/zen-fs/dom/issues/18
         handle: root,
       },
     },
diff --git a/mk/tsconfig-base.json b/mk/tsconfig-base.json
index 8d984209..c5f1e7fc 100644
--- a/mk/tsconfig-base.json
+++ b/mk/tsconfig-base.json
@@ -6,7 +6,7 @@
     "experimentalDecorators": true,
     "forceConsistentCasingInFileNames": true,
     "importHelpers": true,
-    "lib": ["DOM", "ES2023", "ESNext.Promise"],
+    "lib": ["DOM", "ES2023", "ESNext.Decorators", "ESNext.Promise"],
     "module": "ES2022",
     "moduleResolution": "Node",
     "noEmitOnError": true,
diff --git a/package.json b/package.json
index be206262..c0889164 100644
--- a/package.json
+++ b/package.json
@@ -13,18 +13,18 @@
     "test": "vitest",
     "typedoc": "bash mk/typedoc.sh"
   },
-  "packageManager": "pnpm@9.11.0+sha512.0a203ffaed5a3f63242cd064c8fb5892366c103e328079318f78062f24ea8c9d50bc6a47aa3567cabefd824d170e78fa2745ed1f16b132e16436146b7688f19b",
+  "packageManager": "pnpm@9.12.0+sha512.4abf725084d7bcbafbd728bfc7bee61f2f791f977fd87542b3579dcb23504d170d46337945e4c66485cd12d588a0c0e570ed9c477e7ccdd8507cf05f3f92eaca",
   "devDependencies": {
-    "@types/node": "^20.16.5",
+    "@types/node": "^20.16.10",
     "@types/wtfnode": "^0.7.3",
-    "@typescript/lib-dom": "npm:@types/web@0.0.163",
-    "@vitest/coverage-v8": "^2.1.1",
+    "@typescript/lib-dom": "npm:@types/web@0.0.169",
+    "@vitest/coverage-v8": "^2.1.2",
     "@yoursunny/xo-config": "0.58.0",
     "codedown": "^3.2.0",
     "tslib": "^2.7.0",
-    "typedoc": "^0.26.7",
+    "typedoc": "^0.26.8",
     "typescript": "~5.5.4",
-    "vitest": "^2.1.1"
+    "vitest": "^2.1.2"
   },
   "engines": {
     "node": "^20.12.0 || ^22.0.0"
diff --git a/pkg/fileserver/package.json b/pkg/fileserver/package.json
index 139682e2..2f28b80c 100644
--- a/pkg/fileserver/package.json
+++ b/pkg/fileserver/package.json
@@ -32,7 +32,7 @@
     "@ndn/segmented-object": "workspace:*",
     "@ndn/tlv": "workspace:*",
     "@ndn/util": "workspace:*",
-    "@zenfs/core": "0.16.3",
+    "@zenfs/core": "1.0.2",
     "mnemonist": "^0.39.8",
     "obliterator": "^2.0.4",
     "streaming-iterables": "^8.0.1",
diff --git a/pkg/fileserver/src/zenfs.ts b/pkg/fileserver/src/zenfs.ts
index 5158f22e..849cbd3a 100644
--- a/pkg/fileserver/src/zenfs.ts
+++ b/pkg/fileserver/src/zenfs.ts
@@ -73,7 +73,7 @@ export class NDNFileSystem extends Async(Readonly(FileSystem)) {
       throw new ErrnoError(Errno.EPERM, path);
     }
     const m = await this.getFileMetadata(path);
-    return new NDNFile(path, this.client, m);
+    return new NDNFile(this, path, this.client, m);
   }
 }
 export namespace NDNFileSystem {
@@ -85,11 +85,12 @@ export namespace NDNFileSystem {
 
 class NDNFile extends File {
   constructor(
-      public override readonly path: string,
+      fs: NDNFileSystem,
+      path: string,
       private readonly client: Client,
       private readonly m: FileMetadata,
   ) {
-    super();
+    super(fs, path);
   }
 
   public override position = 0;
diff --git a/pkg/segmented-object/package.json b/pkg/segmented-object/package.json
index 4c1e4e3c..525a8893 100644
--- a/pkg/segmented-object/package.json
+++ b/pkg/segmented-object/package.json
@@ -31,7 +31,7 @@
     "@ndn/naming-convention2": "workspace:*",
     "@ndn/packet": "workspace:*",
     "@ndn/util": "workspace:*",
-    "@zenfs/core": "0.16.3",
+    "@zenfs/core": "1.0.2",
     "it-keepalive": "^1.2.0",
     "mnemonist": "^0.39.8",
     "obliterator": "^2.0.4",
diff --git a/pkg/segmented-object/src/serve/chunk-source/file.ts b/pkg/segmented-object/src/serve/chunk-source/file.ts
index f4cd089e..03c96bce 100644
--- a/pkg/segmented-object/src/serve/chunk-source/file.ts
+++ b/pkg/segmented-object/src/serve/chunk-source/file.ts
@@ -65,7 +65,7 @@ export namespace FileChunkSource {
      *
      * @remarks
      * - Set `true` to use ZenFS, which is a cross-platform virtual filesystem independent from
-     *   the underlying operating system. This is the default in browser environment.
+     *   the underlying operating system. This is the only choice in browser environment.
      * - Set `false` to use Node.js native filesystem. This is the default in Node.js.
      */
     zenfs?: boolean;