diff --git a/master_unpack.py b/master_unpack.py
index e1aff69..f55fc30 100644
--- a/master_unpack.py
+++ b/master_unpack.py
@@ -40,7 +40,7 @@ class Package:
 
     # extension stripping
     def _strip_extension(self, filename):
-        extensions = '.zip', '.tar', '.bz2', '.gz', '.tgz', '.tbz', '.exe'
+        extensions = '.zip', '.tar', '.bz2', '.xz', '.gz', '.tgz', '.tbz', '.exe'
 
         for ext in extensions:
             if filename.endswith(ext):