diff --git a/chapter03/packages.xml b/chapter03/packages.xml
index 92d44afaf..87238724d 100644
--- a/chapter03/packages.xml
+++ b/chapter03/packages.xml
@@ -227,6 +227,15 @@
       </listitem>
     </varlistentry>
 
+    <varlistentry>
+      <term>Flit-core (&flit-core-version;) - <token>&flit-core-size;</token>:</term>
+      <listitem>
+        <para>Home page: <ulink url="&flit-core-home;"/></para>
+        <para>Download: <ulink url="&flit-core-url;"/></para>
+        <para>MD5 sum: <literal>&flit-core-md5;</literal></para>
+      </listitem>
+    </varlistentry>
+
     <varlistentry>
       <term>Gawk (&gawk-version;) - <token>&gawk-size;</token>:</term>
       <listitem>
diff --git a/packages.ent b/packages.ent
index 884a9aa68..dddcaf5fc 100644
--- a/packages.ent
+++ b/packages.ent
@@ -211,6 +211,7 @@
 <!ENTITY flit-core-size "44 KB">
 <!ENTITY flit-core-url "&pypi-src;/f/flit-core/flit_core-&flit-core-version;.tar.gz">
 <!ENTITY flit-core-md5 "7c41da13273f7787709a24f74e0f5a99">
+<!ENTITY flit-core-home "&pypi-home;/flit-core/">
 <!ENTITY flit-core-fin-du "736 KB">
 <!ENTITY flit-core-fin-sbu "less than 0.1 SBU">