diff --git a/.gitignore b/.gitignore
index a1e1175..f878521 100644
--- a/.gitignore
+++ b/.gitignore
@@ -78,3 +78,4 @@ tags
 # virtual machine crash logs, see http://www.java.com/en/download/help/error_hotspot.xml
 hs_err_pid*
 
+*.tsv