diff --git a/packages/app/package.json b/packages/app/package.json
index eef5446db..c8290203c 100644
--- a/packages/app/package.json
+++ b/packages/app/package.json
@@ -17,7 +17,7 @@
     "@szhsin/react-menu": "^3.3.1",
     "@types/use-sync-external-store": "^0.0.4",
     "@uidotdev/usehooks": "^2.3.1",
-    "@void-cat/api": "^1.0.4",
+    "@void-cat/api": "^1.0.10",
     "debug": "^4.3.4",
     "dexie": "^3.2.4",
     "emojilib": "^3.0.10",
diff --git a/packages/app/src/Upload/NostrBuild.ts b/packages/app/src/Upload/NostrBuild.ts
index 74d222096..bc50b5941 100644
--- a/packages/app/src/Upload/NostrBuild.ts
+++ b/packages/app/src/Upload/NostrBuild.ts
@@ -1,21 +1,43 @@
+import { base64 } from "@scure/base";
+import { EventKind, EventPublisher } from "@snort/system";
 import { UploadResult } from "Upload";
 
-export default async function NostrBuild(file: File | Blob): Promise<UploadResult> {
+export default async function NostrBuild(file: File | Blob, publisher?: EventPublisher): Promise<UploadResult> {
+  const auth = publisher
+    ? async (url: string, method: string) => {
+        const auth = await publisher.generic(eb => {
+          return eb.kind(EventKind.HttpAuthentication).tag(["u", url]).tag(["method", method]);
+        });
+        return `Nostr ${base64.encode(new TextEncoder().encode(JSON.stringify(auth)))}`;
+      }
+    : undefined;
+
   const fd = new FormData();
   fd.append("fileToUpload", file);
   fd.append("submit", "Upload Image");
 
-  const rsp = await fetch("https://nostr.build/api/upload/snort.php", {
+  const url = "https://nostr.build/api/v2/upload/files";
+  const headers = {
+    accept: "application/json",
+  } as Record<string, string>;
+  if (auth) {
+    headers["Authorization"] = await auth(url, "POST");
+  }
+
+  const rsp = await fetch(url, {
     body: fd,
     method: "POST",
-    headers: {
-      accept: "application/json",
-    },
+    headers,
   });
   if (rsp.ok) {
-    const data = await rsp.json();
+    const data = (await rsp.json()) as {
+      success: boolean;
+      data: Array<{
+        url: string;
+      }>;
+    };
     return {
-      url: new URL(data).toString(),
+      url: data.data[0].url,
     };
   }
   return {
diff --git a/packages/app/src/Upload/VoidCat.ts b/packages/app/src/Upload/VoidCat.ts
index 0fe5e010a..8602817ed 100644
--- a/packages/app/src/Upload/VoidCat.ts
+++ b/packages/app/src/Upload/VoidCat.ts
@@ -3,7 +3,7 @@ import { VoidApi } from "@void-cat/api";
 
 import { FileExtensionRegex, VoidCatHost } from "Const";
 import { UploadResult } from "Upload";
-import { magnetURIDecode } from "SnortUtils";
+import { base64 } from "@scure/base";
 
 /**
  * Upload file to void.cat
@@ -14,7 +14,15 @@ export default async function VoidCatUpload(
   filename: string,
   publisher?: EventPublisher,
 ): Promise<UploadResult> {
-  const api = new VoidApi(VoidCatHost);
+  const auth = publisher
+    ? async (url: string, method: string) => {
+        const auth = await publisher.generic(eb => {
+          return eb.kind(EventKind.HttpAuthentication).tag(["u", url]).tag(["method", method]);
+        });
+        return `Nostr ${base64.encode(new TextEncoder().encode(JSON.stringify(auth)))}`;
+      }
+    : undefined;
+  const api = new VoidApi(VoidCatHost, auth);
   const uploader = api.getUploader(file);
 
   const rsp = await uploader.upload({
@@ -32,7 +40,8 @@ export default async function VoidCatUpload(
     } as UploadResult;
 
     if (publisher) {
-      const tags = [
+      // NIP-94
+      /*const tags = [
         ["url", resultUrl],
         ["x", rsp.file?.metadata?.digest ?? ""],
         ["m", rsp.file?.metadata?.mimeType ?? "application/octet-stream"],
@@ -51,7 +60,7 @@ export default async function VoidCatUpload(
         eb.kind(EventKind.FileHeader).content(filename);
         tags.forEach(t => eb.tag(t));
         return eb;
-      });
+      });*/
     }
     return ret;
   } else {
diff --git a/packages/app/src/Upload/index.ts b/packages/app/src/Upload/index.ts
index 93f641aec..8105c5ab2 100644
--- a/packages/app/src/Upload/index.ts
+++ b/packages/app/src/Upload/index.ts
@@ -6,6 +6,7 @@ import VoidCat from "Upload/VoidCat";
 import NostrImg from "Upload/NostrImg";
 import { KieranPubKey } from "Const";
 import { bech32ToHex } from "SnortUtils";
+import useEventPublisher from "Hooks/useEventPublisher";
 
 export interface UploadResult {
   url?: string;
@@ -41,11 +42,12 @@ export interface Uploader {
 
 export default function useFileUpload(): Uploader {
   const fileUploader = useLogin().preferences.fileUploader;
+  const { publisher } = useEventPublisher();
 
   switch (fileUploader) {
     case "nostr.build": {
       return {
-        upload: NostrBuild,
+        upload: f => NostrBuild(f, publisher),
       } as Uploader;
     }
     case "nostrimg.com": {
@@ -55,7 +57,7 @@ export default function useFileUpload(): Uploader {
     }
     default: {
       return {
-        upload: (f, n) => VoidCat(f, n, undefined),
+        upload: (f, n) => VoidCat(f, n, publisher),
       } as Uploader;
     }
   }
diff --git a/yarn.lock b/yarn.lock
index 8ad91a97d..1132aea40 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -2715,7 +2715,7 @@ __metadata:
     "@typescript-eslint/eslint-plugin": ^6.1.0
     "@typescript-eslint/parser": ^6.1.0
     "@uidotdev/usehooks": ^2.3.1
-    "@void-cat/api": ^1.0.4
+    "@void-cat/api": ^1.0.10
     "@webbtc/webln-types": ^1.0.10
     "@webpack-cli/generators": ^3.0.4
     "@webscopeio/react-textarea-autocomplete": ^4.9.2
@@ -3865,12 +3865,12 @@ __metadata:
   languageName: node
   linkType: hard
 
-"@void-cat/api@npm:^1.0.4":
-  version: 1.0.7
-  resolution: "@void-cat/api@npm:1.0.7"
+"@void-cat/api@npm:^1.0.10":
+  version: 1.0.10
+  resolution: "@void-cat/api@npm:1.0.10"
   dependencies:
     sjcl: ^1.0.8
-  checksum: 208461ed5583e53d2dd96e8734569f84296faaf0a2af3151ec3119e723fb758d0a7c8e092b9dd7018aabf7fafec7c424383fab9e8dce4ead3142601ee91e0650
+  checksum: 8ec846aefa3fad3cfee018959a95fa93195112382b7d655098f3df8059555367166ee54c13900ff9f459baef44ffb39e5f5e44dc492a2f61477cbdae798d0cbb
   languageName: node
   linkType: hard