diff --git a/chapter01/changelog.xml b/chapter01/changelog.xml
index 362509e24..eac775e04 100644
--- a/chapter01/changelog.xml
+++ b/chapter01/changelog.xml
@@ -39,6 +39,10 @@
     <listitem>
       <para>2007-05-05</para>
       <itemizedlist>
+        <listitem>
+          <para>[matthew] - Upgrade to Linux-2.6.21.1. Fixes
+          <ulink url="&lfs-ticket-root;1993">#1993</ulink>.</para>
+        </listitem>
         <listitem>
           <para>[matthew] -  Incorporate latest upstream patches for Bash.
           </para>
diff --git a/packages.ent b/packages.ent
index 354270336..c8ff05842 100644
--- a/packages.ent
+++ b/packages.ent
@@ -298,12 +298,12 @@
 <!ENTITY libtool-ch6-sbu "0.1 SBU">
 
 <!ENTITY linux-major-version "2.6">
-<!ENTITY linux-minor-version "20">
-<!ENTITY linux-patch-version "7">
+<!ENTITY linux-minor-version "21">
+<!ENTITY linux-patch-version "1">
 <!ENTITY linux-version "&linux-major-version;.&linux-minor-version;.&linux-patch-version;">
-<!ENTITY linux-size "42,357 KB">
+<!ENTITY linux-size "42,985 KB">
 <!ENTITY linux-url "&kernel;linux/kernel/v&linux-major-version;/linux-&linux-version;.tar.bz2">
-<!ENTITY linux-md5 "ee568778eb50a5bccad8915ce0a72e7d">
+<!ENTITY linux-md5 "a28b78793cd368592f7873bf36cb38b0">
 <!ENTITY linux-home "http://www.kernel.org/">
 <!ENTITY linux-ch8-du "310 - 390 MB">
 <!ENTITY linux-ch8-sbu "1.5 - 3.5 SBU">