diff --git a/README.md b/README.md
index 7436436..3853127 100644
--- a/README.md
+++ b/README.md
@@ -126,6 +126,7 @@ Sortana requests the following Thunderbird permissions:
 - `accountsRead` – list accounts and folders for move or copy actions.
 - `menus` – add context menu commands.
 - `tabs` – open new tabs and query the active tab.
+- `notifications` – display error notifications.
 - `compose` – create reply and forward compose windows for matching rules.
 
 ## Thunderbird Add-on Store Disclosures
diff --git a/manifest.json b/manifest.json
index fe019ab..c3b45a7 100644
--- a/manifest.json
+++ b/manifest.json
@@ -32,17 +32,18 @@
     "page": "options/options.html",
     "open_in_tab": true
   },
-  "permissions": [
-    "storage",
-    "messagesRead",
-    "messagesMove",
-    "messagesUpdate",
-    "messagesTagsList",
-    "accountsRead",
-    "menus",
-    "scripting",
-    "tabs",
-    "theme",
-    "compose"
-  ]
+    "permissions": [
+      "storage",
+      "messagesRead",
+      "messagesMove",
+      "messagesUpdate",
+      "messagesTagsList",
+      "accountsRead",
+      "menus",
+      "notifications",
+      "scripting",
+      "tabs",
+      "theme",
+      "compose"
+    ]
 }