diff --git a/chapter01/changelog.xml b/chapter01/changelog.xml
index 936a056df..0b33b6836 100644
--- a/chapter01/changelog.xml
+++ b/chapter01/changelog.xml
@@ -35,11 +35,25 @@
       </itemizedlist>
     </listitem>
 -->
+    <listitem>
+      <para>2013-07-29</para>
+      <itemizedlist>
+        <listitem>
+          <para>[bdubbs] - Update to linux-3.10.4.  Fixes
+          <ulink url="&lfs-ticket-root;3383">#3383</ulink>.</para>
+        </listitem>
+        <listitem>
+          <para>[bdubbs] - Update to bison-3.0.  Fixes
+          <ulink url="&lfs-ticket-root;3382">#3382</ulink>.</para>
+        </listitem>
+      </itemizedlist>
+    </listitem>
+
     <listitem>
       <para>2013-07-27</para>
       <itemizedlist>
         <listitem>
-          <para>[bdubbs] - Update to systemd-206/usev-lfs-206-1.  Fixes
+          <para>[bdubbs] - Update to systemd-206/udev-lfs-206-1.  Fixes
           <ulink url="&lfs-ticket-root;3384">#3384</ulink>.</para>
         </listitem>
       </itemizedlist>
diff --git a/packages.ent b/packages.ent
index 28928db38..32ce886a9 100644
--- a/packages.ent
+++ b/packages.ent
@@ -54,10 +54,10 @@
 <!ENTITY binutils-ch6-du "343 MB">
 <!ENTITY binutils-ch6-sbu "1.9 SBU">
 
-<!ENTITY bison-version "2.7.1">
-<!ENTITY bison-size "1,744 KB">
+<!ENTITY bison-version "3.0">
+<!ENTITY bison-size "1,872 KB">
 <!ENTITY bison-url "&gnu;bison/bison-&bison-version;.tar.xz">
-<!ENTITY bison-md5 "7be02eb973eccf388f1ae750fc09eed0">
+<!ENTITY bison-md5 "a2624994561aa69f056c904c1ccb2880">
 <!ENTITY bison-home "&gnu-software;bison/">
 <!--
 <!ENTITY bison-ch5-du "">
@@ -339,12 +339,12 @@
 
 <!ENTITY linux-major-version "3">
 <!ENTITY linux-minor-version "10">
-<!ENTITY linux-patch-version "1">
+<!ENTITY linux-patch-version "4">
 <!ENTITY linux-version "&linux-major-version;.&linux-minor-version;.&linux-patch-version;">
 <!--<!ENTITY linux-version "&linux-major-version;.&linux-minor-version;">-->
-<!ENTITY linux-size "71,484 KB">
+<!ENTITY linux-size "71,840 KB">
 <!ENTITY linux-url "&kernel;linux/kernel/v&linux-major-version;.x/linux-&linux-version;.tar.xz">
-<!ENTITY linux-md5 "4c8ed240943c8750a89cc307637bd74d">
+<!ENTITY linux-md5 "0378156d0a4ebf155d083531c3cb3826">
 <!ENTITY linux-home "http://www.kernel.org/">
 <!-- measured for 3.9.0 / gcc-4.8.0 on x86_64 : minimum is
  allnoconfig extended for a hopefully-bootable build on desktop machine,
@@ -539,9 +539,9 @@
 <!ENTITY texinfo-ch6-sbu "0.6 SBU">
 
 <!ENTITY systemd-version "206">
-<!ENTITY systemd-size    "2,188 KB">
+<!ENTITY systemd-size    "2,288 KB">
 <!ENTITY systemd-url     "http://www.freedesktop.org/software/systemd/systemd-&systemd-version;.tar.xz">
-<!ENTITY systemd-md5     "e70a3402af8ad79f526d8c07c3fd5080">
+<!ENTITY systemd-md5     "89e36f2d3ba963020b72738549954cbc">
 <!ENTITY systemd-home    "http://www.freedesktop.org/wiki/Software/systemd/">
 <!ENTITY systemd-ch6-du  "29 MB">
 <!ENTITY systemd-ch6-sbu "0.1 SBU">
diff --git a/prologue/why.xml b/prologue/why.xml
index ba51e794b..96f34b68d 100644
--- a/prologue/why.xml
+++ b/prologue/why.xml
@@ -46,6 +46,13 @@
         capabilities beyond basic shell functions.</para>
       </listitem>
 
+      <listitem>
+        <para>Bc</para>
+
+        <para>This package provides an arbitrary precision numeric processing language. 
+        It satisfies a requirement needed when building the Linux kernel.</para>
+      </listitem>
+
       <listitem>
         <para>Binutils</para>