diff --git a/chapter01/changelog.xml b/chapter01/changelog.xml
index 5df508e79..2b8ffcacb 100644
--- a/chapter01/changelog.xml
+++ b/chapter01/changelog.xml
@@ -38,6 +38,9 @@
     <listitem>
       <para>2006-10-02</para>
       <itemizedlist>
+        <listitem>
+          <para>[matthew] - Upgrade to M4-1.4.7.</para>
+        </listitem>
         <listitem>
           <para>[matthew] - Upgrade to Linux-2.6.18.</para>
         </listitem>
diff --git a/packages.ent b/packages.ent
index 802d88bf5..0dab705e7 100644
--- a/packages.ent
+++ b/packages.ent
@@ -316,14 +316,14 @@
 <!ENTITY linux-libc-headers-ch6-du "27 MB">
 <!ENTITY linux-libc-headers-ch6-sbu "less than 0.1 SBU">
 
-<!ENTITY m4-version "1.4.6">
-<!ENTITY m4-size "496 KB">
+<!ENTITY m4-version "1.4.7">
+<!ENTITY m4-size "500 KB">
 <!ENTITY m4-url "&gnu;m4/m4-&m4-version;.tar.bz2">
-<!ENTITY m4-md5 "f5babaaa1e337f0aee3bdee55c758d79">
+<!ENTITY m4-md5 "0115a354217e36ca396ad258f6749f51">
 <!ENTITY m4-home "&gnu-software;m4/">
-<!ENTITY m4-ch5-du "4.4 MB">
+<!ENTITY m4-ch5-du "5 MB">
 <!ENTITY m4-ch5-sbu "less than 0.1 SBU">
-<!ENTITY m4-ch6-du "4.4 MB">
+<!ENTITY m4-ch6-du "5 MB">
 <!ENTITY m4-ch6-sbu "less than 0.1 SBU">
 
 <!ENTITY make-version "3.81">