diff --git a/.gitignore b/.gitignore
index 1046c77..9881fec 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1 +1 @@
-xhtml1-dtds-20020801.tar.bz2
+*.tar.*
diff --git a/sources b/sources
index 322d74c..e14a7f8 100644
--- a/sources
+++ b/sources
@@ -1 +1 @@
-9ddff78860e395fd4623a4c42db3d497  xhtml1-dtds-20020801.tar.bz2
+17027f98ecd1cfab816ae7bc72e72348  xhtml1-dtds-20020801.tar.xz
diff --git a/xhtml1-dtds-prepare-tarball.sh b/xhtml1-dtds-prepare-tarball.sh
index 827d47f..67fdc4d 100755
--- a/xhtml1-dtds-prepare-tarball.sh
+++ b/xhtml1-dtds-prepare-tarball.sh
@@ -16,5 +16,5 @@ tar zxf $(basename $url)
 find xhtml1-$date -type f | grep -vF /DTD/ | xargs rm
 rm $(basename $url)
 
-tar jcvf xhtml1-dtds-$date.tar.bz2 xhtml1-$date
+tar Jcvf xhtml1-dtds-$date.tar.xz xhtml1-$date
 rm -r xhtml1-$date
diff --git a/xhtml1-dtds.spec b/xhtml1-dtds.spec
index 85aad3a..30d7ea0 100644
--- a/xhtml1-dtds.spec
+++ b/xhtml1-dtds.spec
@@ -2,7 +2,7 @@
 
 Name:           xhtml1-dtds
 Version:        1.0
-Release:        %{date}.12
+Release:        %{date}.13%{?dist}
 Summary:        XHTML 1.0 document type definitions
 
 Group:          Applications/Text
@@ -11,7 +11,7 @@ Group:          Applications/Text
 License:        W3C
 URL:            http://www.w3.org/TR/2002/REC-xhtml1-%{date}/
 # Source0 generated with Source99, see comments in the script
-Source0:        %{name}-%{date}.tar.bz2
+Source0:        %{name}-%{date}.tar.xz
 Source1:        %{name}.catalog.xml
 Source99:       %{name}-prepare-tarball.sh
 Patch0:         %{name}-sgml-catalog.patch
@@ -118,6 +118,10 @@ cd - >/dev/null
 
 
 %changelog
+* Thu Jul  2 2015 Ville Skyttä <ville.skytta@iki.fi> - 1.0-20020801.13
+- Add %%{?dist} to release (#1237194)
+- Compress tarball with xz
+
 * Fri Jun 19 2015 Fedora Release Engineering <rel-eng@lists.fedoraproject.org> - 1.0-20020801.12
 - Rebuilt for https://fedoraproject.org/wiki/Fedora_23_Mass_Rebuild