diff --git a/chapter01/changelog.xml b/chapter01/changelog.xml
index 6ac161081..4da819040 100644
--- a/chapter01/changelog.xml
+++ b/chapter01/changelog.xml
@@ -40,6 +40,11 @@
     <listitem>
       <para>2008-10-19</para>
       <itemizedlist>
+        <listitem>
+          <para>[randy] - Updated the book to use 4.13a as the Texinfo version,
+          even though the tarball is exactly the same as the previous 4.13
+          version.</para>
+        </listitem>
         <listitem>
           <para>[randy] - Removed an unnecessary command from the Chapter 5
           Perl instructions.</para>
diff --git a/packages.ent b/packages.ent
index 521ac4a30..a20ac0046 100644
--- a/packages.ent
+++ b/packages.ent
@@ -496,7 +496,7 @@
 <!ENTITY tcl-ch5-du "36 MB">
 <!ENTITY tcl-ch5-sbu "0.6 SBU">
 
-<!ENTITY texinfo-version "4.13">
+<!ENTITY texinfo-version "4.13a">
 <!ENTITY texinfo-size "2,751 KB">
 <!ENTITY texinfo-url "&gnu;texinfo/texinfo-&texinfo-version;.tar.gz">
 <!ENTITY texinfo-md5 "71ba711519209b5fb583fed2b3d86fcb">