diff --git a/multimedia/mkvtoolnix/README b/multimedia/mkvtoolnix/README
index 4a04619c1d..f89cf5818b 100644
--- a/multimedia/mkvtoolnix/README
+++ b/multimedia/mkvtoolnix/README
@@ -7,7 +7,7 @@ media files (mkvmerge) * Modify properties of existing Matroska files
 (mkvpropedit)
 
 Note: this comes with internal versions of libembl and libmatroska.
-Configure will use the internal versions if it fails to find them
-installed in the system.
+Configure will use the internal versions if it fails to find them or
+they are unusable.
 
 Interested parties can build QT version of GUI by passing QTGUI=yes
diff --git a/multimedia/mkvtoolnix/mkvtoolnix.SlackBuild b/multimedia/mkvtoolnix/mkvtoolnix.SlackBuild
index 17eb5f3976..3cf71ca1b2 100644
--- a/multimedia/mkvtoolnix/mkvtoolnix.SlackBuild
+++ b/multimedia/mkvtoolnix/mkvtoolnix.SlackBuild
@@ -23,7 +23,7 @@
 # ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 
 PRGNAM=mkvtoolnix
-VERSION=5.8.0
+VERSION=${VERSION:-6.4.1}
 BUILD=${BUILD:-1}
 TAG=${TAG:-_SBo}
 
@@ -60,7 +60,7 @@ rm -rf $PKG
 mkdir -p $TMP $PKG $OUTPUT
 cd $TMP
 rm -rf $PRGNAM-$VERSION
-tar xvf $CWD/$PRGNAM-$VERSION.tar.bz2
+tar xvf $CWD/$PRGNAM-$VERSION.tar.xz
 cd $PRGNAM-$VERSION
 
 chown -R root:root .
@@ -82,7 +82,8 @@ CXXFLAGS="$SLKCFLAGS" \
   --enable-gui \
   --enable-qt=${QTGUI:-no} \
   --enable-wxwidgets \
-  --with-boost
+  --with-boost \
+  --without-curl
 
 ./drake pkgdatadir=/usr/doc/$PRGNAM-$VERSION
 ./drake pkgdatadir=/usr/doc/$PRGNAM-$VERSION install DESTDIR=$PKG
diff --git a/multimedia/mkvtoolnix/mkvtoolnix.info b/multimedia/mkvtoolnix/mkvtoolnix.info
index 0a71c22dd0..3248a21098 100644
--- a/multimedia/mkvtoolnix/mkvtoolnix.info
+++ b/multimedia/mkvtoolnix/mkvtoolnix.info
@@ -1,8 +1,8 @@
 PRGNAM="mkvtoolnix"
-VERSION="5.8.0"
-HOMEPAGE="http://www.bunkus.org/videotools/mkvtoolnix"
-DOWNLOAD="http://www.bunkus.org/videotools/mkvtoolnix/sources/mkvtoolnix-5.8.0.tar.bz2"
-MD5SUM="8caa3d37d2442a525bad35dbb1babc56"
+VERSION="6.4.1"
+HOMEPAGE="https://www.bunkus.org/videotools/mkvtoolnix"
+DOWNLOAD="https://www.bunkus.org/videotools/mkvtoolnix/sources/mkvtoolnix-6.4.1.tar.xz"
+MD5SUM="1e878646b34eb2c32772d05b91f84f4c"
 DOWNLOAD_x86_64=""
 MD5SUM_x86_64=""
 REQUIRES="wxPython"