1 files changed, 1 insertions, 0 deletions

diff --git a/.document b/.document
index 0665d415b9..b6dfcdeee0 100644
--- a/.document
+++ b/.document
@@ -15,6 +15,7 @@ array.rb
 ast.rb
 dir.rb
 gc.rb
+hash.rb
 io.rb
 kernel.rb
 marshal.rb