diff --git a/chapter01/changelog.xml b/chapter01/changelog.xml
index f3abb78e5..c8ae7562e 100644
--- a/chapter01/changelog.xml
+++ b/chapter01/changelog.xml
@@ -40,6 +40,16 @@
     appropriate for the entry or if needed the entire day's listitem.
     -->
 
+    <listitem>
+      <para>2025-03-02</para>
+      <itemizedlist>
+        <listitem>
+          <para>[bdubbs] - Update to vim-9.1.1166 (Security Update).  Fixes
+          <ulink url='&lfs-ticket-root;5666'>#56566</ulink>.</para>
+        </listitem>
+      </itemizedlist>
+    </listitem>
+
     <listitem>
       <para>2025-02-27</para>
       <itemizedlist>
diff --git a/packages.ent b/packages.ent
index 72773dfba..e09a683a9 100644
--- a/packages.ent
+++ b/packages.ent
@@ -754,10 +754,10 @@
 <!ENTITY util-linux-fin-du "316 MB">
 <!ENTITY util-linux-fin-sbu "0.5 SBU">
 
-<!ENTITY vim-version "9.1.1122">
+<!ENTITY vim-version "9.1.1166">
 <!-- <!ENTITY vim-majmin "90"> -->
 <!ENTITY vim-docdir "vim/vim91">
-<!ENTITY vim-size "18,057 KB">
+<!ENTITY vim-size "18,077 KB">
 <!ENTITY vim-url "https://github.com/vim/vim/archive/v&vim-version;/vim-&vim-version;.tar.gz">
 <!-- N.B. LFS 9.0 uses
      https://github.com/vim/vim/archive/v8.1.1846/vim-8.1.1846.tar.gz
@@ -771,7 +771,7 @@
      example, https://github.com/vim/vim/tags?after=v8.1.1847 will show
      us v8.1.1846. -->
 <!--<!ENTITY vim-url "&anduin-sources;/vim-&vim-version;.tar.gz">-->
-<!ENTITY vim-md5 "c6980db0c12e69dd5086b151b4958360">
+<!ENTITY vim-md5 "718d43ce957ab7c81071793de176c2eb">
 <!ENTITY vim-home "https://www.vim.org">
 <!ENTITY vim-fin-du "251 MB">
 <!ENTITY vim-fin-sbu "3.4 SBU">