diff --git a/introduction/welcome/changelog.xml b/introduction/welcome/changelog.xml
index cab07b4569..4d6c7aa030 100644
--- a/introduction/welcome/changelog.xml
+++ b/introduction/welcome/changelog.xml
@@ -44,6 +44,10 @@
     <listitem>
       <para>March 10th, 2021</para>
       <itemizedlist>
+        <listitem>
+          <para>[ken] - Add a patch to mupdf to fix a security issue. Fixes
+          <ulink url="&blfs-ticket-root;14749">#14749</ulink>.</para>
+        </listitem>
         <listitem>
           <para>[ken] - Add a caution about unpatched security vulnerabilities
           in QtWebEngine and Falkon. Addresses
diff --git a/pst/ps/mupdf.xml b/pst/ps/mupdf.xml
index c8a109bc3c..5ed8aa4b3d 100644
--- a/pst/ps/mupdf.xml
+++ b/pst/ps/mupdf.xml
@@ -10,7 +10,7 @@ can be found there, no need to change directory -->
   <!ENTITY mupdf-download-ftp  " ">
   <!ENTITY mupdf-md5sum        "6f42be1365350f05270f8776517a3872">
   <!ENTITY mupdf-size          "69 MB">
-  <!ENTITY mupdf-buildsize     "322 MB">
+  <!ENTITY mupdf-buildsize     "320 MB">
   <!ENTITY mupdf-time          "0.2 SBU (Using parallelism=4)">
 ]>
 
@@ -71,6 +71,16 @@ can be found there, no need to change directory -->
       </listitem>
     </itemizedlist>
 
+    <bridgehead renderas="sect3">Required Additional Downloads</bridgehead>
+    <itemizedlist spacing="compact">
+      <listitem>
+        <para>
+          Required patch: <ulink
+          url="&patch-root;/mupdf-&mupdf-version;-security_fix-1.patch"/>
+        </para>
+      </listitem>
+    </itemizedlist>
+
     <bridgehead renderas="sect3">MuPDF Dependencies</bridgehead>
 
     <bridgehead renderas="sect4">Required</bridgehead>
@@ -118,7 +128,6 @@ can be found there, no need to change directory -->
         s/$/ -lmupdf -L$(OUT)/
         }' Makefile</userinput></screen>
 
-
     <para>
       Install <application>MuPDF</application> by running the following
       commands:
@@ -139,8 +148,9 @@ USE_SYSTEM_CURL := yes
 USE_SYSTEM_GUMBO := no
 EOF
 
-export XCFLAGS=-fPIC          &amp;&amp;
-make build=release shared=yes &amp;&amp;
+export XCFLAGS=-fPIC                               &amp;&amp;
+patch -Np1 -i ../mupdf-&mupdf-version;-security_fix-1.patch &amp;&amp;
+make build=release shared=yes                      &amp;&amp;
 unset XCFLAGS</userinput></screen>
 
     <para>