diff --git a/chapter01/changelog.xml b/chapter01/changelog.xml
index 7c4e68ec0..08544d7f0 100644
--- a/chapter01/changelog.xml
+++ b/chapter01/changelog.xml
@@ -42,6 +42,16 @@
     <listitem revision="sysv"> or <listitem revision="systemd"> as
     appropriate for the entry or if needed the entire day's listitem.
 -->
+    <listitem revision="systemd">
+      <para>2016-09-29</para>
+      <itemizedlist>
+        <listitem>
+          <para>[renodr] - Added a security patch for systemd. Fixes
+          <ulink url="&lfs-ticket-root;3986">#3986</ulink>.</para>
+        </listitem>
+      </itemizedlist>
+    </listitem>
+
     <listitem>
       <para>2016-09-16</para>
       <itemizedlist>
diff --git a/chapter03/patches.xml b/chapter03/patches.xml
index 82abf9149..beca10595 100644
--- a/chapter03/patches.xml
+++ b/chapter03/patches.xml
@@ -90,6 +90,14 @@
       </listitem>
     </varlistentry>
 
+    <varlistentry revision="systemd">
+      <term>Systemd security patch - <token>&systemd-security-patch-size;</token>:</term>
+      <listitem>
+        <para>Download: <ulink url="&patches-root;&systemd-security-patch;"/></para>
+        <para>MD5 sum: <literal>&systemd-security-patch-md5;</literal></para>
+      </listitem>
+    </varlistentry>
+
   </variablelist>
 
   <para>Total size of these patches: about <returnvalue/></para>
diff --git a/chapter06/systemd.xml b/chapter06/systemd.xml
index a6c38904a..cce7c1177 100644
--- a/chapter06/systemd.xml
+++ b/chapter06/systemd.xml
@@ -59,6 +59,10 @@
     -e 's@test-copy$(EXEEXT) @@' \
     -i Makefile.in</userinput></screen>
 
+    <para>Apply a patch to fix a security issue:</para>
+
+<screen><userinput remap="pre">patch -Np1 -i ../systemd-231-security_fix-1.patch</userinput></screen>
+
     <para>Create a file to allow systemd to build when using Util-Linux
     built in Chapter 5, to disable LTO by default, and to build without
     xlstproc:</para>
diff --git a/general.ent b/general.ent
index 8b80be71d..377291614 100644
--- a/general.ent
+++ b/general.ent
@@ -1,13 +1,13 @@
-<!ENTITY version         "SVN-20160916">
+<!ENTITY version         "SVN-20160929">
 <!ENTITY short-version   "svn">  <!-- Used below in &blfs-book; 
                                       Change to x.y for release but not -rc releases -->
 <!ENTITY generic-version "development"> <!-- Use "development"  or "x.y[-pre{x}]" -->
 
-<!ENTITY versiond        "20160916-systemd">
+<!ENTITY versiond        "20160929-systemd">
 <!ENTITY short-versiond  "systemd">
 <!ENTITY generic-versiond "systemd"> 
 
-<!ENTITY releasedate     "September 16, 2016">
+<!ENTITY releasedate     "September 29, 2016">
 <!ENTITY copyrightdate   "1999-2016"><!-- jhalfs needs a literal dash, not &ndash; -->
 <!ENTITY milestone       "7.11">
 
diff --git a/patches.ent b/patches.ent
index b4708a1f7..3657e90fd 100644
--- a/patches.ent
+++ b/patches.ent
@@ -34,3 +34,6 @@
 <!ENTITY sysvinit-consolidated-patch-md5 "0b7b5ea568a878fdcc4057b2bf36e5cb">
 <!ENTITY sysvinit-consolidated-patch-size "3.9 KB">
 
+<!ENTITY systemd-security-patch "systemd-&systemd-version;-security_fix-1.patch">
+<!ENTITY systemd-security-patch-md5 "aa9d81fec9a3875a54e63af86904513a">
+<!ENTITY systemd-security-patch-size "4 KB">