diff --git a/introduction/welcome/changelog.xml b/introduction/welcome/changelog.xml
index d64f6686f7..eee4e16e7e 100644
--- a/introduction/welcome/changelog.xml
+++ b/introduction/welcome/changelog.xml
@@ -41,6 +41,12 @@
     <listitem>
       <para>February 17th, 2023</para>
       <itemizedlist>
+        <listitem>
+          <para>[thomas] - Update to xfce4-notifyd-0.8.1 and readd
+          xfce-dev-tools-4.18.0 as a build-time dependency of xfce4-notifyd.
+          Fixes
+          <ulink url="&blfs-ticket-root;17673">#17673</ulink>.</para>
+        </listitem>
         <listitem>
           <para>[ken] - Update to node.js-v18.14.1 (Security Update). Fixes
           <ulink url="&blfs-ticket-root;17669">#17669</ulink>.</para>
diff --git a/packages.ent b/packages.ent
index 249b0dc898..01cb8dd18c 100644
--- a/packages.ent
+++ b/packages.ent
@@ -911,7 +911,8 @@ to avoid building libxml2 twice, which is slow with all deps -->
 <!ENTITY xfce4-terminal-version       "&xfce4-terminal-minor;.4">
 <!ENTITY xfburn-version               "0.6.2">
 <!ENTITY ristretto-version            "0.13.0">
-<!ENTITY xfce4-notifyd-version        "0.8.0">
+<!ENTITY xfce4-dev-tools-version      "&xfce4-version;.0">
+<!ENTITY xfce4-notifyd-version        "0.8.1">
 <!ENTITY xfce4-pulseaudio-plugin-version "0.4.5">
 
 <!-- Part X -->
diff --git a/xfce/apps/apps.xml b/xfce/apps/apps.xml
index 59c5fde7f0..2aa7adb73e 100644
--- a/xfce/apps/apps.xml
+++ b/xfce/apps/apps.xml
@@ -19,8 +19,8 @@
   <xi:include xmlns:xi="http://www.w3.org/2001/XInclude" href="xfce4-terminal.xml"/>
   <xi:include xmlns:xi="http://www.w3.org/2001/XInclude" href="xfburn.xml"/>
   <xi:include xmlns:xi="http://www.w3.org/2001/XInclude" href="ristretto.xml"/>
+  <xi:include xmlns:xi="http://www.w3.org/2001/XInclude" href="xfce4-dev-tools.xml"/>
   <xi:include xmlns:xi="http://www.w3.org/2001/XInclude" href="xfce4-notifyd.xml"/>
-<!--  <xi:include xmlns:xi="http://www.w3.org/2001/XInclude" href="xfce4-dev-tools.xml"/>-->
   <xi:include xmlns:xi="http://www.w3.org/2001/XInclude" href="xfce4-pulseaudio-plugin.xml"/>
 
 </chapter>
diff --git a/xfce/apps/xfce4-dev-tools.xml b/xfce/apps/xfce4-dev-tools.xml
new file mode 100644
index 0000000000..03f2e6e904
--- /dev/null
+++ b/xfce/apps/xfce4-dev-tools.xml
@@ -0,0 +1,151 @@
+<?xml version="1.0" encoding="ISO-8859-1"?>
+<!DOCTYPE sect1 PUBLIC "-//OASIS//DTD DocBook XML V4.5//EN"
+   "http://www.oasis-open.org/docbook/xml/4.5/docbookx.dtd" [
+  <!ENTITY % general-entities SYSTEM "../../general.ent">
+  %general-entities;
+
+  <!ENTITY xfce4-dev-tools-download-http
+           "http://archive.xfce.org/src/xfce/xfce4-dev-tools/&xfce4-version;/xfce4-dev-tools-&xfce4-dev-tools-version;.tar.bz2">
+  <!ENTITY xfce4-dev-tools-download-ftp  " ">
+  <!ENTITY xfce4-dev-tools-md5sum        "24ea05b8f77365f17c9d63263816ec11">
+  <!ENTITY xfce4-dev-tools-size          "341 KB">
+  <!ENTITY xfce4-dev-tools-buildsize     "2.5 MB">
+  <!ENTITY xfce4-dev-tools-time          "less than 0.1 SBU">
+]>
+
+<sect1 id="xfce4-dev-tools" xreflabel="xfce4-dev-tools-&xfce4-dev-tools-version;">
+  <?dbhtml filename="xfce4-dev-tools.html"?>
+
+
+  <title>xfce4-dev-tools-&xfce4-dev-tools-version;</title>
+
+  <indexterm zone="xfce4-dev-tools">
+    <primary sortas="a-xfce4-dev-tools">xfce4-dev-tools</primary>
+  </indexterm>
+
+  <sect2 role="package">
+    <title>Introduction to the Xfce4 Development Tools</title>
+
+    <para>
+      The <application>Xfce4 Development Tools</application> are a collection of 
+      tools and macros for building some Xfce aplications.
+    </para>
+
+    &lfs113_checked;
+
+    <bridgehead renderas="sect3">Package Information</bridgehead>
+    <itemizedlist spacing="compact">
+      <listitem>
+        <para>
+          Download (HTTP): <ulink url="&xfce4-dev-tools-download-http;"/>
+        </para>
+      </listitem>
+      <listitem>
+        <para>
+          Download (FTP): <ulink url="&xfce4-dev-tools-download-ftp;"/>
+        </para>
+      </listitem>
+      <listitem>
+        <para>
+          Download MD5 sum: &xfce4-dev-tools-md5sum;
+        </para>
+      </listitem>
+      <listitem>
+        <para>
+          Download size: &xfce4-dev-tools-size;
+        </para>
+      </listitem>
+      <listitem>
+        <para>
+          Estimated disk space required: &xfce4-dev-tools-buildsize;
+        </para>
+      </listitem>
+      <listitem>
+        <para>
+          Estimated build time: &xfce4-dev-tools-time;
+        </para>
+      </listitem>
+    </itemizedlist>
+
+    <bridgehead renderas="sect3">The Xfce4 Development Tools Dependencies</bridgehead>
+
+    <bridgehead renderas="sect4">Required</bridgehead>
+    <para role="required">
+      <xref linkend="glib2"/>
+    </para>
+
+    <para condition="html" role="usernotes">
+      User Notes: <ulink url="&blfs-wiki;/xfce4-dev-tools"/>
+    </para>
+  </sect2>
+
+  <sect2 role="installation">
+    <title>Installation of the Xfce4 Development Tools</title>
+
+    <para>
+      Install the <application>Xfce4 Development Tools</application> by
+      running the following commands:
+    </para>
+
+<screen><userinput>./configure --prefix=/usr &amp;&amp;
+make</userinput></screen>
+
+    <para>
+      To test the results, issue: <command>make check</command>.
+    </para>
+
+    <para>
+      Now, as the <systemitem class="username">root</systemitem> user:
+    </para>
+
+<screen role="root"><userinput>make install</userinput></screen>
+
+  </sect2>
+
+  <sect2 role="content">
+    <title>Contents</title>
+
+    <segmentedlist>
+      <segtitle>Installed Program</segtitle>
+      <segtitle>Installed Libraries</segtitle>
+      <segtitle>Installed Directories</segtitle>
+
+      <seglistitem>
+        <seg>
+          xdt-autogen and
+          xdt-csource <!-- and some others not required for blfs pkgs -->
+        </seg>
+        <seg>
+          None
+        </seg>
+        <seg>
+          None
+        </seg>
+      </seglistitem>
+    </segmentedlist>
+<!--
+    <variablelist>
+      <bridgehead renderas="sect3">Short Descriptions</bridgehead>
+      <?dbfo list-presentation="list"?>
+      <?dbhtml list-presentation="table"?>
+
+      <varlistentry id="xfce4-dev-tools-config">
+        <term><command>xfce4-dev-tools-config</command></term>
+        <listitem>
+          <para>
+            is a <application>GTK+</application> GUI that allows you to
+            change some of your preferences (theme and screen position)
+            for the notifications that the
+            <application>Xfce4 Notification Daemon</application> displays.
+          </para>
+          <indexterm zone="xfce4-dev-tools xfce4-dev-tools-config">
+            <primary sortas="b-xfce4-dev-tools-config">xfce4-dev-tools-config</primary>
+          </indexterm>
+        </listitem>
+      </varlistentry>
+
+    </variablelist>
+-->
+  </sect2>
+
+</sect1>
diff --git a/xfce/apps/xfce4-notifyd.xml b/xfce/apps/xfce4-notifyd.xml
index ce1ee250be..36a32badfa 100644
--- a/xfce/apps/xfce4-notifyd.xml
+++ b/xfce/apps/xfce4-notifyd.xml
@@ -7,9 +7,9 @@
   <!ENTITY xfce4-notifyd-download-http
            "https://archive.xfce.org/src/apps/xfce4-notifyd/0.8/xfce4-notifyd-&xfce4-notifyd-version;.tar.bz2">
   <!ENTITY xfce4-notifyd-download-ftp  " ">
-  <!ENTITY xfce4-notifyd-md5sum        "c611b4134f05401c728bfade41c8fb3f">
-  <!ENTITY xfce4-notifyd-size          "599 KB">
-  <!ENTITY xfce4-notifyd-buildsize     "9.0 MB">
+  <!ENTITY xfce4-notifyd-md5sum        "298e2bda1cd3b9f2a63b6cf398a46536">
+  <!ENTITY xfce4-notifyd-size          "535 KB">
+  <!ENTITY xfce4-notifyd-buildsize     "10.0 MB">
   <!ENTITY xfce4-notifyd-time          "less than 0.1 SBU">
 ]>
 
@@ -77,7 +77,8 @@
     <bridgehead renderas="sect4">Required</bridgehead>
     <para role="required">
       <xref linkend="libnotify"/>,
-      <xref linkend="libxfce4ui"/>, and
+      <xref linkend="libxfce4ui"/>,
+      <xref linkend="xfce4-dev-tools"/><!-- for build only -->, and
       <xref linkend="xfce4-panel"/>
     </para>