diff --git a/office/misc/mupdf/pspec.xml b/office/misc/mupdf/pspec.xml
index e050edafa4..f9cc6f08c6 100644
--- a/office/misc/mupdf/pspec.xml
+++ b/office/misc/mupdf/pspec.xml
@@ -14,9 +14,7 @@
         <Description>
             MuPDF is a lightweight open source software framework for viewing and converting PDF, XPS, and E-book documents.
         </Description>
-        <Archive sha1sum="370b76d840612d59dda645cab2d52bd5bc07ade7" type="targz">
-            https://mupdf.com/downloads/archive/mupdf-1.22.1-source.tar.gz
-        </Archive>
+        <Archive sha1sum="858058de42d622d064065ff8c8dcfe6c863b9cea" type="targz">https://mupdf.com/downloads/archive/mupdf-1.23.3-source.tar.gz</Archive>
         <BuildDependencies>
             <Dependency>zlib-devel</Dependency>
             <Dependency>curl-devel</Dependency>
@@ -90,6 +88,13 @@
     </Package>
 
     <History>
+        <Update release="16">
+            <Date>2023-09-05</Date>
+            <Version>1.23.3</Version>
+            <Comment>Version bump.</Comment>
+            <Name>Mustafa Cinasal</Name>
+            <Email>muscnsl@gmail.com</Email>
+        </Update>
         <Update release="15">
             <Date>2023-05-18</Date>
             <Version>1.22.1</Version>