diff --git a/package.json b/package.json
index 9a8f72ec..3ad3661c 100644
--- a/package.json
+++ b/package.json
@@ -4,8 +4,8 @@
   "author": "Ultimate Gadget Laboratories",
   "main": "electron/dist/electron-main.js",
   "version": "1.0.4",
-  "firmwareVersion": "8.0.0",
-  "deviceProtocolVersion": "4.0.0",
+  "firmwareVersion": "8.1.0",
+  "deviceProtocolVersion": "4.2.0",
   "userConfigVersion": "4.0.0",
   "hardwareConfigVersion": "1.0.0",
   "description": "Agent is the configuration application of the Ultimate Hacking Keyboard.",
diff --git a/scripts/download-firmware.js b/scripts/download-firmware.js
index 29e7a06f..5b72b7e4 100644
--- a/scripts/download-firmware.js
+++ b/scripts/download-firmware.js
@@ -6,7 +6,7 @@ const fs = require('fs');
 const fse = require('fs-extra');
 
 async function downloadFirmware(version) {
-    const url = `https://github.com/UltimateHackingKeyboard/firmware/releases/download/${version}/uhk-firmware-${version}.tar.bz2`;
+    const url = `https://github.com/UltimateHackingKeyboard/firmware/releases/download/v${version}/uhk-firmware-${version}.tar.bz2`;
     const outputDir = path.join(__dirname, `../tmp`);
     const output = path.join(outputDir, `uhk-firmware-${version}.tar.bz2`);