diff --git a/Library/Homebrew/bundle/adder.rb b/Library/Homebrew/bundle/adder.rb
index bcb698f98d..6c1599619f 100644
--- a/Library/Homebrew/bundle/adder.rb
+++ b/Library/Homebrew/bundle/adder.rb
@@ -11,6 +11,9 @@ module Homebrew
 
       sig { params(args: String, type: Symbol, global: T::Boolean, file: String).void }
       def add(*args, type:, global:, file:)
+        brewfile_path = Brewfile.path(global:, file:)
+        brewfile_path.write("") unless brewfile_path.exist?
+
         brewfile = Brewfile.read(global:, file:)
         content = brewfile.input
         # TODO: - support `:describe`