diff --git a/chapter01/changelog.xml b/chapter01/changelog.xml
index 533248c37..47330c30a 100644
--- a/chapter01/changelog.xml
+++ b/chapter01/changelog.xml
@@ -40,6 +40,10 @@
     <listitem>
       <para>2010-08-03</para>
       <itemizedlist>
+         <listitem>
+           <para>[matthew] - Upgrade to GCC-4.5.1. Fixes
+           <ulink url="&lfs-ticket-root;2727">#2727</ulink>.</para>
+         </listitem>
          <listitem>
            <para>[matthew] - Upgrade to Make-3.82. Fixes
            <ulink url="&lfs-ticket-root;2726">#2726</ulink>.</para>
diff --git a/packages.ent b/packages.ent
index a053c2507..b00af5efd 100644
--- a/packages.ent
+++ b/packages.ent
@@ -160,10 +160,10 @@
 <!ENTITY gawk-ch6-du "19 MB">
 <!ENTITY gawk-ch6-sbu "0.2 SBU">
 
-<!ENTITY gcc-version "4.5.0">
-<!ENTITY gcc-size "64,396 KB">
+<!ENTITY gcc-version "4.5.1">
+<!ENTITY gcc-size "64,572 KB">
 <!ENTITY gcc-url "&gnu;gcc/gcc-&gcc-version;/gcc-&gcc-version;.tar.bz2">
-<!ENTITY gcc-md5 "ff27b7c4a5d5060c8a8543a44abca31f">
+<!ENTITY gcc-md5 "48231a8e33ed6e058a341c53b819de1a">
 <!ENTITY gcc-home "http://gcc.gnu.org/">
 <!ENTITY gcc-ch5p1-du "809 MB">
 <!ENTITY gcc-ch5p1-sbu "5.0 SBU">