diff --git a/README.md b/README.md
index b9ee4be..eff53b1 100644
--- a/README.md
+++ b/README.md
@@ -114,6 +114,7 @@ Sortana requests the following Thunderbird permissions:
 - `accountsRead` – list accounts and folders for move actions.
 - `menus` – add context menu commands.
 - `tabs` – open new tabs and query the active tab.
+- Host permissions (`*://*/*`) – allow network requests to your configured classification service.
 
 ## Thunderbird Add-on Store Disclosures
 
diff --git a/manifest.json b/manifest.json
index 8d1ab76..d43df2c 100644
--- a/manifest.json
+++ b/manifest.json
@@ -42,5 +42,8 @@
     "menus",
     "scripting",
     "tabs"
+  ],
+  "host_permissions": [
+    "*://*/*"
   ]
 }