diff --git a/chapter01/changelog.xml b/chapter01/changelog.xml
index ac5b884bb..195480478 100644
--- a/chapter01/changelog.xml
+++ b/chapter01/changelog.xml
@@ -39,6 +39,10 @@
     <listitem>
       <para>2011-02-04</para>
       <itemizedlist>
+        <listitem>
+          <para>[matthew] Upgrade to XZ-5.0.1. Fixes
+          <ulink url="&lfs-ticket-root;2826">#2826</ulink>.</para>
+        </listitem>
         <listitem>
           <para>[matthew] Upgrade to Perl-5.12.3. Fixes
           <ulink url="&lfs-ticket-root;2824">#2824</ulink>.</para>
diff --git a/packages.ent b/packages.ent
index c780a9a8b..d89608f4e 100644
--- a/packages.ent
+++ b/packages.ent
@@ -552,10 +552,10 @@
 <!ENTITY vim-ch6-du "87 MB">
 <!ENTITY vim-ch6-sbu "1.0 SBU">
 
-<!ENTITY xz-version "5.0.0">
-<!ENTITY xz-size "988 KB">
+<!ENTITY xz-version "5.0.1">
+<!ENTITY xz-size "982 KB">
 <!ENTITY xz-url "http://tukaani.org/xz/xz-&xz-version;.tar.bz2">
-<!ENTITY xz-md5 "0652c09fdbb93ae2ce78c1368ffda612">
+<!ENTITY xz-md5 "cb6c7a58cec4d663a395c54d186ca0c6">
 <!ENTITY xz-home "http://tukaani.org/xz">
 <!ENTITY xz-ch5-du "14 MB">
 <!ENTITY xz-ch5-sbu "0.3 SBU">