diff --git a/chapter01/changelog.xml b/chapter01/changelog.xml
index 3cbb36858..d866e4f2c 100644
--- a/chapter01/changelog.xml
+++ b/chapter01/changelog.xml
@@ -39,6 +39,10 @@
     <listitem>
       <para>2012-11-13</para>
       <itemizedlist>
+        <listitem>
+          <para>[matthew] - Upgrade to Bison-2.6.5.  Fixes
+          <ulink url="&lfs-ticket-root;3221">#3221</ulink>.</para>
+        </listitem>
         <listitem>
           <para>[matthew] - Upgrade to Tzdata-2012i.  Fixes
           <ulink url="&lfs-ticket-root;3220">#3220</ulink>.</para>
diff --git a/packages.ent b/packages.ent
index 9b6faf028..d4b69f57e 100644
--- a/packages.ent
+++ b/packages.ent
@@ -46,10 +46,10 @@
 <!ENTITY binutils-ch6-du "343 MB">
 <!ENTITY binutils-ch6-sbu "1.9 SBU">
 
-<!ENTITY bison-version "2.6.4">
-<!ENTITY bison-size "1,703 KB">
+<!ENTITY bison-version "2.6.5">
+<!ENTITY bison-size "1,630 KB">
 <!ENTITY bison-url "&gnu;bison/bison-&bison-version;.tar.xz">
-<!ENTITY bison-md5 "8b2dc57eb9d2d6de4715d30de6b2ee07">
+<!ENTITY bison-md5 "75c8508e0a9e5c68f608658672d6bda4">
 <!ENTITY bison-home "&gnu-software;bison/">
 <!--
 <!ENTITY bison-ch5-du "">