--- a/build/dumbmake-dependencies
+++ b/build/dumbmake-dependencies
@@ -53,16 +53,17 @@ browser/app
   browser/base
   browser/components
   browser/devtools
   browser/locales
   browser/modules
   browser/themes
   toolkit
   toolkit/components
+  toolkit/components/jsdownloads
   toolkit/content
   toolkit/crashreporter
   toolkit/devtools
   toolkit/forgetaboutsite
   toolkit/identity
   toolkit/modules
   toolkit/mozapps/extensions
   toolkit/profile