1 files changed, 1 insertions, 0 deletions

diff --git a/.document b/.document
index 2c68af227d..6e08f42698 100644
--- a/.document
+++ b/.document
@@ -17,6 +17,7 @@ dir.rb
 gc.rb
 io.rb
 kernel.rb
+marshal.rb
 numeric.rb
 nilclass.rb
 pack.rb