diff --git a/chapter01/changelog.xml b/chapter01/changelog.xml
index 52f7e64c7..30ed216fc 100644
--- a/chapter01/changelog.xml
+++ b/chapter01/changelog.xml
@@ -39,6 +39,10 @@
     <listitem>
       <para>2010-03-01</para>
       <itemizedlist>
+        <listitem>
+          <para>[matthew] Upgrade to M4-1.4.14. Fixes
+          <ulink url="&lfs-ticket-root;2594">#2594</ulink>.</para>
+        </listitem>
         <listitem>
           <para>[matthew] Upgrade to IPRoute2-2.6.33. Fixes
           <ulink url="&lfs-ticket-root;2592">#2592</ulink>.</para>
diff --git a/chapter01/whatsnew.xml b/chapter01/whatsnew.xml
index 859756ac8..b51dd0cb9 100644
--- a/chapter01/whatsnew.xml
+++ b/chapter01/whatsnew.xml
@@ -121,9 +121,9 @@
     <listitem>
       <para>Linux &linux-version;</para>
     </listitem>
-    <!--<listitem>
+    <listitem>
       <para>M4 &m4-version;</para>
-    </listitem>-->
+    </listitem>
     <!--<listitem>
       <para>Make &make-version;</para>
     </listitem>-->
diff --git a/packages.ent b/packages.ent
index f000a0b2e..140c8aca2 100644
--- a/packages.ent
+++ b/packages.ent
@@ -319,10 +319,10 @@
 <!ENTITY linux-headers-ch6-du "431 MB">
 <!ENTITY linux-headers-ch6-sbu "0.1 SBU">
 
-<!ENTITY m4-version "1.4.13">
-<!ENTITY m4-size "985 KB">
+<!ENTITY m4-version "1.4.14">
+<!ENTITY m4-size "1,099 KB">
 <!ENTITY m4-url "&gnu;m4/m4-&m4-version;.tar.bz2">
-<!ENTITY m4-md5 "28f9ccd3ac4da45409251008b911d677">
+<!ENTITY m4-md5 "e6fb7d08d50d87e796069cff12a52a93">
 <!ENTITY m4-home "&gnu-software;m4/">
 <!ENTITY m4-ch5-du "11.6 MB">
 <!ENTITY m4-ch5-sbu "0.2 SBU">