diff --git a/package.json b/package.json
index 80d27b4..045c570 100644
--- a/package.json
+++ b/package.json
@@ -1,27 +1,30 @@
 {
-  "title": "Untamed Now Playing",
-  "id": "jid1-CCXBUPa5pAmTYw@jetpack",
-  "name": "unp",
-  "version": "4.0.0",
-  "description": "Save 'now playing' data from music websites locally in TXT/JSON/XML",
-  "author": "Wykks",
-  "engines": {
-    "firefox": ">=49.0"
-  },
-  "license": "CC BY-SA 3.0",
-  "preferences": [
-    {
-      "name": "options_button",
-      "label": "Options",
-      "type": "control",
-      "title": "Open options page"
+    "title": "Untamed Now Playing",
+    "id": "jid1-CCXBUPa5pAmTYw@jetpack",
+    "name": "unp",
+    "version": "4.0.0",
+    "description": "Save 'now playing' data from music websites locally in TXT/JSON/XML",
+    "author": "Wykks",
+    "engines": {
+        "firefox": ">=49.0"
+    },
+    "license": "CC BY-SA 3.0",
+    "preferences": [
+        {
+            "name": "options_button",
+            "label": "Options",
+            "type": "control",
+            "title": "Open options page"
+        }
+    ],
+    "permissions": {
+        "multiprocess": true
+    },
+    "devDependencies": {
+        "eslint": "^3.7.1",
+        "eslint-config-airbnb": "^12.0.0",
+        "eslint-plugin-import": "^2.0.1",
+        "eslint-plugin-jsx-a11y": "^2.2.3",
+        "eslint-plugin-react": "^6.4.1"
     }
-  ],
-  "devDependencies": {
-    "eslint": "^3.7.1",
-    "eslint-config-airbnb": "^12.0.0",
-    "eslint-plugin-import": "^2.0.1",
-    "eslint-plugin-jsx-a11y": "^2.2.3",
-    "eslint-plugin-react": "^6.4.1"
-  }
 }