diff --git a/Library/Homebrew/tap_migrations.rb b/Library/Homebrew/tap_migrations.rb
index c0466e3883..261c1df55d 100644
--- a/Library/Homebrew/tap_migrations.rb
+++ b/Library/Homebrew/tap_migrations.rb
@@ -250,6 +250,7 @@ TAP_MIGRATIONS = {
   "xpdf" => "homebrew/x11",
   "xplot" => "homebrew/x11",
   "xspringies" => "homebrew/x11",
+  "xulrunner" => "homebrew/boneyard",
   "yarp" => "homebrew/x11",
   "ydict" => "homebrew/boneyard",
 }