diff --git a/chapter01/changelog.xml b/chapter01/changelog.xml
index f729e2175..74fc1c280 100644
--- a/chapter01/changelog.xml
+++ b/chapter01/changelog.xml
@@ -39,6 +39,9 @@
     <listitem>
       <para>Febraury 19, 2006</para>
       <itemizedlist>
+        <listitem>
+          <para>[matthew] - Upgrade to Sed 4.1.5.</para>
+        </listitem>
         <listitem>
           <para>[matthew] - Upgrade to Man-pages 2.23.</para>
         </listitem>
diff --git a/chapter01/whatsnew.xml b/chapter01/whatsnew.xml
index cac416a95..02cc41160 100644
--- a/chapter01/whatsnew.xml
+++ b/chapter01/whatsnew.xml
@@ -157,9 +157,9 @@
     <listitem>
       <para>Readline &readline-version;</para>
     </listitem>
-    <!--<listitem>
+    <listitem>
       <para>Sed &sed-version;</para>
-    </listitem>-->
+    </listitem>
     <listitem>
       <para>Shadow &shadow-version;</para>
     </listitem>
diff --git a/chapter03/packages.xml b/chapter03/packages.xml
index 9b240721c..f2d3654d3 100644
--- a/chapter03/packages.xml
+++ b/chapter03/packages.xml
@@ -370,7 +370,7 @@
     </varlistentry>
 
     <varlistentry>
-      <term>Sed (&sed-version;) - 632 KB:</term>
+      <term>Sed (&sed-version;) - 631 KB:</term>
       <listitem>
         <para><ulink url="&gnu;sed/"/></para>
       </listitem>
diff --git a/chapter06/sed.xml b/chapter06/sed.xml
index 7fd46232a..f115a1ee5 100644
--- a/chapter06/sed.xml
+++ b/chapter06/sed.xml
@@ -25,7 +25,7 @@
 
       <seglistitem>
         <seg>0.2 SBU</seg>
-        <seg>8.4 MB</seg>
+        <seg>7.9 MB</seg>
       </seglistitem>
     </segmentedlist>
 
diff --git a/general.ent b/general.ent
index f331012c3..12bb00dd6 100644
--- a/general.ent
+++ b/general.ent
@@ -76,7 +76,7 @@
 <!ENTITY procps-version "3.2.6">
 <!ENTITY psmisc-version "22.1">
 <!ENTITY readline-version "5.1">
-<!ENTITY sed-version "4.1.4">
+<!ENTITY sed-version "4.1.5">
 <!ENTITY shadow-version "4.0.14">
 <!ENTITY sysklogd-version "1.4.1">
 <!ENTITY sysvinit-version "2.86">