diff --git a/.gitignore b/.gitignore
index a353c150f..f78e4db1b 100644
--- a/.gitignore
+++ b/.gitignore
@@ -44,3 +44,6 @@ nbproject
 patches-*
 capybara-*.html
 dump.rdb
+
+#Rubinius's JIT
+*.rbc