diff --git a/supermin-4.1.1.tar.gz b/supermin-4.1.1.tar.gz
deleted file mode 100644
index 249de4c..0000000
--- a/supermin-4.1.1.tar.gz
+++ /dev/null
@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:7a903db51432e77d30ff2ddb7234bb2db97011bab9e1e09ccfe317eded7bc8d7
-size 623367
diff --git a/supermin-4.1.1.tar.xz b/supermin-4.1.1.tar.xz
new file mode 100644
index 0000000..117759d
--- /dev/null
+++ b/supermin-4.1.1.tar.xz
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:f3ff7e21d237f10206e940ae26259b56a46dbfeeec0c99970d800b91dcb85a6b
+size 411692
diff --git a/supermin.spec b/supermin.spec
index 55df624..5d5cb6d 100644
--- a/supermin.spec
+++ b/supermin.spec
@@ -29,7 +29,7 @@ Requires:       distribution-release
 Requires:       xmlstarlet
 Requires:       zypper
 BuildRoot:      %{_tmppath}/%{name}-%{version}-build
-Source0:        http://libguestfs.org/download/supermin/supermin-%{version}.tar.gz
+Source0:        http://libguestfs.org/download/supermin/supermin-%{version}.tar.xz
 Patch1: 0001-Actually-update-gnulib.patch
 Patch2: 0002-helper-Add-missing-options-to-help-and-man-page-RHBZ.patch
 Patch3: 0003-add-run_shell-helper.patch