diff --git a/.gitignore b/.gitignore
index eca23ba3..0f575f84 100644
--- a/.gitignore
+++ b/.gitignore
@@ -12,6 +12,7 @@ data/4.3
 data/5.0
 data/5.1
 data/6.0
+data/6.1
 
 doc/.yardoc
 doc/*.html