diff --git a/.gitignore b/.gitignore
index 383c77a78f1848b73b1d6b6dda235c0455603d1e..a54fcaf0ce36eef16a37f63bfa50a4e962b473f0 100644
--- a/.gitignore
+++ b/.gitignore
@@ -26,3 +26,4 @@ hs_err_pid*
 .DS_Store
 *.iml
 target
+dd
\ No newline at end of file