diff --git a/package.json b/package.json
index f3e1e62..678425c 100644
--- a/package.json
+++ b/package.json
@@ -61,6 +61,7 @@
       "approval-preload.js",
       "approval.html",
       "addon-inject-preload.js",
+      "addon-tab-preload.js",
       "addons-host.js",
       "addon-updater.js",
       "addon-update-pubkeys.js",