diff --git a/chapter01/changelog.xml b/chapter01/changelog.xml
index eddaf425b..0bbf40dfc 100644
--- a/chapter01/changelog.xml
+++ b/chapter01/changelog.xml
@@ -38,7 +38,7 @@
 -->
 
     <listitem>
-      <para>2009-05-28</para>
+      <para>2009-06-01</para>
       <itemizedlist>
         <listitem>
           <para>[bdubbs] - Remove no longer used zlib patch from patches