diff --git a/.gitignore b/.gitignore
index ac2886e38..bc7352b7e 100644
--- a/.gitignore
+++ b/.gitignore
@@ -93,6 +93,7 @@ PlyParser_FoamFileParser_parsetab.py
 *.tar
 *.tgz
 *.gtgz
+*.xz
 
 # ignore the persistent .build tag in the main directory
 /.build