diff --git a/apps/browser/src/manifest.v3.json b/apps/browser/src/manifest.v3.json
index 9aeaf5c21a2..6803a2a7e2c 100644
--- a/apps/browser/src/manifest.v3.json
+++ b/apps/browser/src/manifest.v3.json
@@ -85,6 +85,21 @@
     "webRequest",
     "webRequestAuthProvider"
   ],
+  "__firefox__permissions": [
+    "activeTab",
+    "alarms",
+    "clipboardRead",
+    "clipboardWrite",
+    "contextMenus",
+    "idle",
+    "scripting",
+    "storage",
+    "tabs",
+    "unlimitedStorage",
+    "webNavigation",
+    "webRequest",
+    "webRequestAuthProvider"
+  ],
   "optional_permissions": ["nativeMessaging", "privacy"],
   "__firefox__optional_permissions": ["nativeMessaging"],
   "__safari__optional_permissions": null,
@@ -93,6 +108,9 @@
     "extension_pages": "script-src 'self' 'wasm-unsafe-eval'; object-src 'self'",
     "sandbox": "sandbox allow-scripts; script-src 'self'"
   },
+  "__firefox__content_security_policy": {
+    "extension_pages": "script-src 'self' 'wasm-unsafe-eval'; object-src 'self'"
+  },
   "sandbox": {
     "pages": [
       "overlay/menu-button.html",
diff --git a/apps/browser/webpack.config.js b/apps/browser/webpack.config.js
index 6ba74d7df43..30657cbf896 100644
--- a/apps/browser/webpack.config.js
+++ b/apps/browser/webpack.config.js
@@ -335,6 +335,8 @@ if (manifestVersion == 2) {
     }),
   );
 
+  const target = browser === "firefox" ? "web" : "webworker";
+
   /**
    * @type {import("webpack").Configuration}
    */
@@ -343,7 +345,7 @@ if (manifestVersion == 2) {
     mode: ENV,
     devtool: false,
     entry: "./src/platform/background.ts",
-    target: "webworker",
+    target: target,
     output: {
       filename: "background.js",
       path: path.resolve(__dirname, "build"),