diff --git a/c8.conf b/c8.conf
index 334201f..baab51a 100644
--- a/c8.conf
+++ b/c8.conf
@@ -74,6 +74,7 @@ createrepo_deltas = False
 createrepo_database = True
 createrepo_c = True
 createrepo_checksum = "sha256"
+createrepo_use_xz = True
 
 # CHECKSUMS
 media_checksums = ['sha256']