1 files changed, 1 insertions, 0 deletions

diff --git a/.document b/.document
index 2a76ac0705..e4a19e9aac 100644
--- a/.document
+++ b/.document
@@ -14,6 +14,7 @@ rbconfig.rb
 trace_point.rb
 ast.rb
 io.rb
+gc.rb
 
 # the lib/ directory (which has its own .document file)
 lib