diff --git a/adapter.js b/adapter.js
index c7d453d..d604a3f 100644
--- a/adapter.js
+++ b/adapter.js
@@ -103,7 +103,15 @@ export default function (root) {
    * @param {StorageObject}
    * @returns {Promise<Response>}
    */
-  function putObject({ bucket, object, stream }) {
+  function putObject({ bucket, object, stream, useSignedUrl }) {
+    if (useSignedUrl) {
+      return Promise.resolve(
+        HyperErr({
+          status: 501,
+          msg: "Not Implemented",
+        }),
+      );
+    }
     // Create Writer
     return Async.of(resolvePath(bucket, object))
       .chain(create)
@@ -150,7 +158,16 @@ export default function (root) {
    * @param {StorageInfo}
    * @returns {Promise<stream>}
    */
-  function getObject({ bucket, object }) {
+  function getObject({ bucket, object, useSignedUrl }) {
+    if (useSignedUrl) {
+      return Promise.resolve(
+        HyperErr({
+          status: 501,
+          msg: "Not Implemented",
+        }),
+      );
+    }
+
     return Async.of(resolvePath(bucket, object))
       .chain((p) => open(p, { read: true, write: false }))
       .bimap(
diff --git a/adapter_test.js b/adapter_test.js
index fd35e59..4b72bf3 100644
--- a/adapter_test.js
+++ b/adapter_test.js
@@ -157,6 +157,22 @@ Deno.test("fs adapter put object", async () => {
   });
 });
 
+Deno.test("fs adapter put object - useSignedUrl", async () => {
+  // setup
+  const bucket = v4();
+  const object = v4() + ".txt";
+  await adapter.makeBucket(bucket);
+
+  // test
+  const result = await adapter.putObject({
+    bucket,
+    object,
+    useSignedUrl: true,
+  }).catch((err) => err);
+  assert(!result.ok);
+  assert(result.status === 501);
+});
+
 Deno.test("fs adapter get object", async () => {
   const bucket = v4();
   const object = v4() + ".txt";
@@ -193,6 +209,22 @@ Deno.test("fs adapter get object", async () => {
   });
 });
 
+Deno.test("fs adapter get object - useSignedUrl", async () => {
+  // setup
+  const bucket = v4();
+  const object = v4() + ".txt";
+  await adapter.makeBucket(bucket);
+
+  // test
+  const result = await adapter.getObject({
+    bucket,
+    object,
+    useSignedUrl: true,
+  }).catch((err) => err);
+  assert(!result.ok);
+  assert(result.status === 501);
+});
+
 Deno.test("list files", async () => {
   const bucket = v4();
   const object = v4() + ".tmp";
diff --git a/test/hyper.js b/test/hyper.js
index be66804..9c46fb5 100644
--- a/test/hyper.js
+++ b/test/hyper.js
@@ -1,6 +1,6 @@
 // Harness deps
-import { default as appOpine } from "https://x.nest.land/hyper-app-opine@2.0.0/mod.js";
-import { default as core } from "https://x.nest.land/hyper@3.0.0/mod.js";
+import { default as appOpine } from "https://x.nest.land/hyper-app-opine@2.2.0/mod.js";
+import { default as core } from "https://x.nest.land/hyper@3.3.0/mod.js";
 
 import fs from "../mod.js";