diff --git a/libraries/libgig/README b/libraries/libgig/README
index 69ac1fce8c..7488fe0ed1 100644
--- a/libraries/libgig/README
+++ b/libraries/libgig/README
@@ -1 +1,4 @@
-libgig is a C++ library for loading and modifying Gigasampler and DLS files.
+libgig is a C++ library for loading, modifying existing and creating new
+Gigasampler (.gig) files and DLS (Downloadable Sounds) Level 1/2 files,
+KORG sample based instruments (.KSF and .KMP files), SoundFont v2 (.sf2)
+files and AKAI sampler data.
diff --git a/libraries/libgig/libgig.SlackBuild b/libraries/libgig/libgig.SlackBuild
index 8ee5c70743..7026b615bc 100644
--- a/libraries/libgig/libgig.SlackBuild
+++ b/libraries/libgig/libgig.SlackBuild
@@ -1,15 +1,37 @@
 #!/bin/sh
-# Slackware build script for <libgig>
+
+# Slackware build script for libgig
+
 # Written by Michales Michaloudes korgie@gmail.com
+# Copyright 2019  Johannes Schoepfer, Germany
+# All rights reserved.
+#
+# Redistribution and use of this script, with or without modification, is
+# permitted provided that the following conditions are met:
+#
+# 1. Redistributions of this script must retain the above copyright
+#    notice, this list of conditions and the following disclaimer.
+#
+#  THIS SOFTWARE IS PROVIDED BY THE AUTHOR ''AS IS'' AND ANY EXPRESS OR IMPLIED
+#  WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
+#  MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO
+#  EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+#  SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+#  PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
+#  OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
+#  WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
+#  OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+#  ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
 
 PRGNAM=libgig
-VERSION=${VERSION:-3.3.0}
-BUILD=${BUILD:-2}
+VERSION=${VERSION:-4.2.0}
+BUILD=${BUILD:-1}
 TAG=${TAG:-_SBo}
 
 if [ -z "$ARCH" ]; then
   case "$( uname -m )" in
-    i?86) ARCH=i486 ;;
+    i?86) ARCH=i586 ;;
     arm*) ARCH=arm ;;
        *) ARCH=$( uname -m ) ;;
   esac
@@ -20,8 +42,8 @@ TMP=${TMP:-/tmp/SBo}
 PKG=$TMP/package-$PRGNAM
 OUTPUT=${OUTPUT:-/tmp}
 
-if [ "$ARCH" = "i486" ]; then
-  SLKCFLAGS="-O2 -march=i486 -mtune=i686"
+if [ "$ARCH" = "i586" ]; then
+  SLKCFLAGS="-O2 -march=i586 -mtune=i686"
   LIBDIRSUFFIX=""
 elif [ "$ARCH" = "i686" ]; then
   SLKCFLAGS="-O2 -march=i686 -mtune=i686"
@@ -44,10 +66,10 @@ tar xvf $CWD/$PRGNAM-$VERSION.tar.bz2
 cd $PRGNAM-$VERSION
 chown -R root:root .
 find -L . \
- \( -perm 777 -o -perm 775 -o -perm 750 -o -perm 711 -o -perm 555 -o -perm 511 \) \
- -exec chmod 755 {} \; -o \
- \( -perm 666 -o -perm 664 -o -perm 600 -o -perm 444 -o -perm 440 -o -perm 400 \) \
- -exec chmod 644 {} \;
+ \( -perm 777 -o -perm 775 -o -perm 750 -o -perm 711 -o -perm 555 \
+  -o -perm 511 \) -exec chmod 755 {} \; -o \
+ \( -perm 666 -o -perm 664 -o -perm 640 -o -perm 600 -o -perm 444 \
+  -o -perm 440 -o -perm 400 \) -exec chmod 644 {} \;
 
 CFLAGS="$SLKCFLAGS" \
 CXXFLAGS="$SLKCFLAGS" \
@@ -60,16 +82,17 @@ CXXFLAGS="$SLKCFLAGS" \
   --docdir=/usr/doc/$PRGNAM-$VERSION \
   --build=$ARCH-slackware-linux
 
-make -j1
+make
 make install DESTDIR=$PKG
 
+find $PKG -print0 | xargs -0 file | grep -e "executable" -e "shared object" | grep ELF \
+  | cut -f 1 -d : | xargs strip --strip-unneeded 2> /dev/null || true
+
 find $PKG | xargs file | grep -e "executable" -e "shared object" | grep ELF \
   | cut -f 1 -d : | xargs strip --strip-unneeded 2> /dev/null || true
 
-( cd $PKG/usr/man
-  find . -type f -exec gzip -9 {} \;
-  for i in $( find . -type l ) ; do ln -s $( readlink $i ).gz $i.gz ; rm $i ; done
-)
+find $PKG/usr/man -type f -exec gzip -9 {} \;
+for i in $( find $PKG/usr/man -type l ) ; do ln -s $( readlink $i ).gz $i.gz ; rm $i ; done
 
 mkdir -p $PKG/usr/doc/$PRGNAM-$VERSION
 cd $TMP/$PRGNAM-$VERSION/
diff --git a/libraries/libgig/libgig.info b/libraries/libgig/libgig.info
index 9e9200baf5..6462f2d5be 100644
--- a/libraries/libgig/libgig.info
+++ b/libraries/libgig/libgig.info
@@ -1,10 +1,10 @@
 PRGNAM="libgig"
-VERSION="3.3.0"
-HOMEPAGE="http://www.linuxsampler.org"
-DOWNLOAD="http://download.linuxsampler.org/packages/libgig-3.3.0.tar.bz2"
-MD5SUM="fc33e8e948ed2db9b7003a3ecdb78549"
+VERSION="4.2.0"
+HOMEPAGE="https://www.linuxsampler.org/libgig/"
+DOWNLOAD="https://download.linuxsampler.org/packages/libgig-4.2.0.tar.bz2"
+MD5SUM="5ab37d9d7532a4cd0ed5508b08b8d1d5"
 DOWNLOAD_x86_64=""
 MD5SUM_x86_64=""
 REQUIRES=""
-MAINTAINER="Michales Michaloudes"
-EMAIL="korgie@gmail.com"
+MAINTAINER="Johannes Schoepfer"
+EMAIL="slackbuilds@schoepfer.info"
diff --git a/libraries/libgig/slack-desc b/libraries/libgig/slack-desc
index c93681969d..4dc78ecded 100644
--- a/libraries/libgig/slack-desc
+++ b/libraries/libgig/slack-desc
@@ -8,10 +8,10 @@
       |-----handy-ruler------------------------------------------------------|
 libgig: libgig (library for Gigasampler and DLS files)
 libgig:
-libgig: libgig is a library for loading and modifying
-libgig: Gigasampler and DLS files.
-libgig:
-libgig:
+libgig: C++ library for loading, modifying and creating .gig, .ksf, .kmp,
+libgig: .sf2 and DLS files.
+libgig:
+libgig: Homepage: https://www.linuxsampler.org/libgig/
 libgig:
 libgig:
 libgig: