diff --git a/lyx.changes b/lyx.changes
index adaf473..6a43bdc 100644
--- a/lyx.changes
+++ b/lyx.changes
@@ -1,7 +1,7 @@
 -------------------------------------------------------------------
 Sun Sep 25 20:53:33 UTC 2011 - cornelis@solcon.nl
 
-- Use xz compression instead of gz
+- Use xz compressed file instead of the gzipped one
 
 -------------------------------------------------------------------
 Mon Sep 19 11:02:08 UTC 2011 - cornelis@solcon.nl
diff --git a/lyx.spec b/lyx.spec
index 747adfd..501edd6 100644
--- a/lyx.spec
+++ b/lyx.spec
@@ -19,7 +19,7 @@
 
 Name:           lyx
 #!BuildIgnore: lyx
-BuildRequires:  aspell-devel boost-devel fdupes hunspell-devel libqt4-devel python update-desktop-files
+BuildRequires:  aspell-devel boost-devel fdupes hunspell-devel libqt4-devel python update-desktop-files xz
 License:        LGPLv2.1+
 Group:          Productivity/Publishing/TeX/Frontends
 Version:        2.0.1