diff --git a/ChangeLog b/ChangeLog
index f9154b292..ce45490ed 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,8 @@
+2009-02-01  Felix Zielcke  <fzielcke@z-51.de>
+
+	* INSTALL: Note that we now require at least autconf 2.59 and that LZO
+	is optional.
+
 2009-02-01  Vesa Jääskeläinen  <chaac@nic.fi>
 
 	Base on patch on bug #24154 created by Tomas Tintera
diff --git a/INSTALL b/INSTALL
index d55324e56..e2b7c00e3 100644
--- a/INSTALL
+++ b/INSTALL
@@ -16,12 +16,12 @@ configuring the GRUB.
 * GNU Bison
 * GNU binutils 2.9.1.0.23 or later
 * Other standard GNU/Unix tools
-* LZO 1.02 or later
+* LZO 1.02 or later (optional)
 
 If you'd like to develop GRUB, these below are also required.
 
 * Ruby 1.6 or later
-* Autoconf 2.53 or later
+* Autoconf 2.59 or later
 
 Configuring the GRUB
 ====================