diff --git a/chapter01/changelog.xml b/chapter01/changelog.xml
index 195480478..f320606c6 100644
--- a/chapter01/changelog.xml
+++ b/chapter01/changelog.xml
@@ -39,6 +39,10 @@
     <listitem>
       <para>2011-02-04</para>
       <itemizedlist>
+        <listitem>
+          <para>[matthew] Upgrade to Glibc-2.13. Fixes
+          <ulink url="&lfs-ticket-root;2827">#2827</ulink>.</para>
+        </listitem>
         <listitem>
           <para>[matthew] Upgrade to XZ-5.0.1. Fixes
           <ulink url="&lfs-ticket-root;2826">#2826</ulink>.</para>
diff --git a/chapter01/whatsnew.xml b/chapter01/whatsnew.xml
index c457646c4..d3cb3cbd6 100644
--- a/chapter01/whatsnew.xml
+++ b/chapter01/whatsnew.xml
@@ -82,9 +82,9 @@
     <!--<listitem>
       <para>Gettext &gettext-version;</para>
     </listitem>-->
-    <!--<listitem>
+    <listitem>
       <para>Glibc &glibc-version;</para>
-    </listitem>-->
+    </listitem>
     <!--<listitem>
       <para>GMP &gmp-version;</para>
     </listitem>-->
@@ -240,11 +240,7 @@
     </listitem>
 
     <listitem>
-      <para>glibc-2.12.1-ld_audit_fix-1.patch</para>
-    </listitem>
-
-    <listitem>
-      <para>glibc-2.12.1-origin_fix-1.patch</para>
+      <para>glibc-&glibc-version;-gcc_fix-1.patch</para>
     </listitem>
 
     <listitem>
@@ -292,6 +288,10 @@
       <para>gcc-4.5.1-startfiles_fix-1.patch</para>
     </listitem>
 
+    <listitem>
+      <para>glibc-2.12.2-gcc_fix-1.patch</para>
+    </listitem>
+
     <listitem>
       <para>man-db-2.5.7-fix_man_assertion-1.patch</para>
     </listitem>
diff --git a/chapter06/glibc.xml b/chapter06/glibc.xml
index 8c4721020..7c8159272 100644
--- a/chapter06/glibc.xml
+++ b/chapter06/glibc.xml
@@ -84,6 +84,14 @@ sed -i &quot;s|libs -o|libs -L/usr/lib -Wl,-dynamic-linker=$DL -o|&quot; \
         scripts/test-installation.pl
 unset DL</userinput></screen>
 
+    <para>In addition, there is a bug in the
+    <filename>test-installation.pl</filename> script in that it tries to link
+    a test program to a library that isn't installed by
+    <command>make install</command>.  Issue the following <command>sed</command>
+    command to fix it:</para>
+
+    <screen><userinput remap="pre">sed -i -e 's/"db1"/&amp; \&amp;\&amp; $name ne "nss_test1"/' scripts/test-installation.pl</userinput></screen>
+
     <para>The <command>ldd</command> shell script contains Bash-specific
     syntax. Change its default program interpreter to <command>/bin/bash</command>
     in case another <command>/bin/sh</command> is installed as described in the
diff --git a/packages.ent b/packages.ent
index d89608f4e..42a7e3b7a 100644
--- a/packages.ent
+++ b/packages.ent
@@ -193,10 +193,10 @@
 <!ENTITY gettext-ch6-du "125 MB">
 <!ENTITY gettext-ch6-sbu "5.8 SBU">
 
-<!ENTITY glibc-version "2.12.2">
-<!ENTITY glibc-size "15,301 KB">
+<!ENTITY glibc-version "2.13">
+<!ENTITY glibc-size "15,357 KB">
 <!ENTITY glibc-url "&gnu;glibc/glibc-&glibc-version;.tar.bz2">
-<!ENTITY glibc-md5 "903fcfa547df2f453476800e0838fe52">
+<!ENTITY glibc-md5 "38808215a7c40aa0bb47a5e6d3d12475">
 <!ENTITY glibc-home "&gnu-software;libc/">
 <!ENTITY glibc-ch5-du "371 MB">
 <!ENTITY glibc-ch5-sbu "6.9 SBU">