diff --git a/Library/Homebrew/formula.rb b/Library/Homebrew/formula.rb
index e6312ccdb0..91a3e8150d 100644
--- a/Library/Homebrew/formula.rb
+++ b/Library/Homebrew/formula.rb
@@ -1618,6 +1618,7 @@ class Formula
         "used_options" => tab.used_options.as_flags,
         "built_as_bottle" => tab.built_as_bottle,
         "poured_from_bottle" => tab.poured_from_bottle,
+        "runtime_dependencies" => tab.runtime_dependencies,
       }
     end