diff --git a/chapter01/changelog.xml b/chapter01/changelog.xml
index 42008fb87..c076cb083 100644
--- a/chapter01/changelog.xml
+++ b/chapter01/changelog.xml
@@ -44,6 +44,16 @@
     <listitem revision="sysv"> or <listitem revision="systemd"> as
     appropriate for the entry or if needed the entire day's listitem.
     -->
+    <listitem>
+      <para>2021-05-31</para>
+      <itemizedlist>
+        <listitem>
+          <para>[ken] - Update to linux-5.12.8 (security fix). Fixes
+          <ulink url="&lfs-ticket-root;4863">#4863</ulink>.</para>
+        </listitem>
+      </itemizedlist>
+    </listitem>
+
     <listitem>
       <para>2021-05-28</para>
       <itemizedlist>
diff --git a/packages.ent b/packages.ent
index 01cd07a05..6b6c9111d 100644
--- a/packages.ent
+++ b/packages.ent
@@ -426,12 +426,12 @@
 
 <!ENTITY linux-major-version "5">
 <!ENTITY linux-minor-version "12">
-<!ENTITY linux-patch-version "7">
+<!ENTITY linux-patch-version "8">
 <!--<!ENTITY linux-version "&linux-major-version;.&linux-minor-version;">-->
 <!ENTITY linux-version "&linux-major-version;.&linux-minor-version;.&linux-patch-version;">
 <!ENTITY linux-size "115,385 KB">
 <!ENTITY linux-url "&kernel;linux/kernel/v&linux-major-version;.x/linux-&linux-version;.tar.xz">
-<!ENTITY linux-md5 "5cb691ff8fa07e64e55f8bcd651d3a06">
+<!ENTITY linux-md5 "77cb5ae53f13405dac2a5bcb887a274a">
 <!ENTITY linux-home "https://www.kernel.org/">
 <!-- measured for 5.8.3 / gcc-10.2.0 on x86_64 : minimum is
  allnoconfig extended for a hopefully-bootable build on desktop machine,