diff --git a/multimedia/converter/mkvtoolnix/actions.py b/multimedia/converter/mkvtoolnix/actions.py
index 92899f9229..49fffda821 100644
--- a/multimedia/converter/mkvtoolnix/actions.py
+++ b/multimedia/converter/mkvtoolnix/actions.py
@@ -25,8 +25,8 @@ def setup():
     shelltools.system("./autogen.sh")
     autotools.autoreconf("-fiv")
     autotools.configure("--with-flac \
-                         --enable-qt5 \
-                         --disable-qt6 \
+                         --enable-qt6 \
+                         --disable-qt5 \
                          --disable-update-check \
                          --with-boost-libdir=/usr/lib ")
 
diff --git a/multimedia/converter/mkvtoolnix/pspec.xml b/multimedia/converter/mkvtoolnix/pspec.xml
index e2f7aab9cb..34d67ac0ac 100644
--- a/multimedia/converter/mkvtoolnix/pspec.xml
+++ b/multimedia/converter/mkvtoolnix/pspec.xml
@@ -10,36 +10,36 @@
         </Packager>
         <PartOf>multimedia.converter</PartOf>
         <License>GPLv2</License>
-        <Icon>mmg</Icon>
+        <Icon>mkvtoolnix</Icon>
         <IsA>app:console</IsA>
         <IsA>app:gui</IsA>
         <Summary>A set of tools to create, alter and inspect Matroska files</Summary>
         <Description>MKVToolnix is a set of tools (mkvmerge, mkvinfo and mkvextract) With these tools one can get information about (mkvinfo) Matroska files, extract tracks/data from (mkvextract) Matroska files and create (mkvmerge) Matroska files from other media files.</Description>
-        <Archive sha1sum="0f957e35b91a69e03c53e5b8d5be8f6d15a91444" type="targz">https://gitlab.com/mbunkus/mkvtoolnix/-/archive/release-79.0/mkvtoolnix-release-79.0.tar.gz</Archive>
+        <Archive sha1sum="fd9193efd0c28562618ded7b99ea18a0aee3fb29" type="targz">https://gitlab.com/mbunkus/mkvtoolnix/-/archive/release-81.0/mkvtoolnix-release-81.0.tar.gz</Archive>
         <BuildDependencies>
             <Dependency>file</Dependency>
+            <Dependency>rubygems</Dependency>
             <Dependency>fmt-devel</Dependency>
             <Dependency>gmp-devel</Dependency>
-            <Dependency>rubygems</Dependency>
             <Dependency>flac-devel</Dependency>
             <Dependency>zlib-devel</Dependency>
             <Dependency>ruby-devel</Dependency>
             <Dependency>cmark-devel</Dependency>
             <Dependency>boost-devel</Dependency>
             <Dependency>docbook-xsl</Dependency>
-            <Dependency>libpcre2-devel</Dependency>
             <Dependency>libogg-devel</Dependency>
-            <Dependency>libdvdread-devel</Dependency>
-            <Dependency>qt5-linguist</Dependency>
+            <Dependency>qt6-linguist</Dependency>
             <Dependency>libxslt-devel</Dependency>
             <Dependency>pugixml-devel</Dependency>
             <Dependency>libebml-devel</Dependency>
-            <Dependency>qt5-svg-devel</Dependency>
-            <Dependency>qt5-base-devel</Dependency>
+            <Dependency>qt6-svg-devel</Dependency>
+            <Dependency>libpcre2-devel</Dependency>
+            <Dependency>qt6-base-devel</Dependency>
             <Dependency>libvorbis-devel</Dependency>
+            <Dependency>libdvdread-devel</Dependency>
             <Dependency>libmatroska-devel</Dependency>
             <Dependency>imagemagick-devel</Dependency>
-            <Dependency>qt5-multimedia-devel</Dependency>
+            <Dependency>qt6-multimedia-devel</Dependency>
             <Dependency>pulseaudio-libs-devel</Dependency>
         </BuildDependencies>
     </Source>
@@ -48,6 +48,7 @@
         <Name>mkvtoolnix</Name>
         <Summary>A set of tools to create, alter and inspect Matroska files</Summary>
         <RuntimeDependencies>
+            <Dependency>fmt</Dependency>
             <Dependency>file</Dependency>
             <Dependency>gmp</Dependency>
             <Dependency>flac</Dependency>
@@ -59,11 +60,11 @@
             <Dependency>libebml</Dependency>
             <Dependency>pugixml</Dependency>
             <Dependency>libpcre2</Dependency>
-            <Dependency>qt5-base</Dependency>
+            <Dependency>qt6-base</Dependency>
             <Dependency>libvorbis</Dependency>
             <Dependency>libdvdread</Dependency>
             <Dependency>libmatroska</Dependency>
-            <Dependency>qt5-multimedia</Dependency>
+            <Dependency>qt6-multimedia</Dependency>
         </RuntimeDependencies>
         <Files>
             <Path fileType="man">/usr/share/man</Path>
@@ -80,6 +81,13 @@
     </Package>
 
     <History>
+        <Update release="16">
+            <Date>2023-12-31</Date>
+            <Version>81.0</Version>
+            <Comment>Version bump</Comment>
+            <Name>Mustafa Cinasal</Name>
+            <Email>muscnsl@gmail.com</Email>
+        </Update>
         <Update release="15">
             <Date>2023-11-17</Date>
             <Version>79.0</Version>