diff --git a/.gitignore b/.gitignore
index 215e7f9..6815284 100644
--- a/.gitignore
+++ b/.gitignore
@@ -117,3 +117,4 @@ doc/book/wolf_data/Release-253/ncbitaxo/nodes.dmp
 doc/book/wolf_data/Release-253/ncbitaxo/readme.txt
 doc/book/results/toto.tasta
 sample/.DS_Store
+GO