diff --git a/academic/pianobooster/doinst.sh b/academic/pianobooster/doinst.sh
index 5fb28930db..65c7e2eeb9 100644
--- a/academic/pianobooster/doinst.sh
+++ b/academic/pianobooster/doinst.sh
@@ -1,3 +1,9 @@
 if [ -x /usr/bin/update-desktop-database ]; then
   /usr/bin/update-desktop-database -q usr/share/applications >/dev/null 2>&1
 fi
+
+if [ -e usr/share/icons/hicolor/icon-theme.cache ]; then
+  if [ -x /usr/bin/gtk-update-icon-cache ]; then
+    /usr/bin/gtk-update-icon-cache -f usr/share/icons/hicolor >/dev/null 2>&1
+  fi
+fi
diff --git a/academic/pianobooster/pianobooster.SlackBuild b/academic/pianobooster/pianobooster.SlackBuild
index 04b3207a39..bf44f6ef37 100644
--- a/academic/pianobooster/pianobooster.SlackBuild
+++ b/academic/pianobooster/pianobooster.SlackBuild
@@ -7,11 +7,14 @@
 
 # Licensed under the WTFPL. See http://www.wtfpl.net/txt/copying/ for details.
 
+# 20210802 bkw: update for v1.0.0 and -current.
+
 cd $(dirname $0) ; CWD=$(pwd)
 
 PRGNAM=pianobooster
-VERSION=${VERSION:-0.6.4b}
-BUILD=${BUILD:-2}
+SRCNAM=PianoBooster
+VERSION=${VERSION:-1.0.0}
+BUILD=${BUILD:-1}
 TAG=${TAG:-_SBo}
 PKGTYPE=${PKGTYPE:-tgz}
 
@@ -23,9 +26,6 @@ if [ -z "$ARCH" ]; then
   esac
 fi
 
-# If the variable PRINT_PACKAGE_NAME is set, then this script will report what
-# the name of the created package would be, and then exit. This information
-# could be useful to other scripts.
 if [ ! -z "${PRINT_PACKAGE_NAME}" ]; then
   echo "$PRGNAM-$VERSION-$ARCH-$BUILD$TAG.$PKGTYPE"
   exit 0
@@ -54,43 +54,29 @@ set -e
 rm -rf $PKG
 mkdir -p $TMP $PKG $OUTPUT
 cd $TMP
-rm -rf $PRGNAM-src-$VERSION
-tar xvf $CWD/$PRGNAM-src-$VERSION.tar.gz
-cd $PRGNAM-src-$VERSION
+rm -rf $SRCNAM-$VERSION
+tar xvf $CWD/$SRCNAM-$VERSION.tar.gz
+cd $SRCNAM-$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 {} \;
-
-# remove unneeded flag
-  sed -i '/mwindows/d' src/CMakeLists.txt
+find -L .  -perm /111 -a \! -perm 755 -a -exec chmod 755 {} \+ -o \
+        \! -perm /111 -a \! -perm 644 -a -exec chmod 644 {} \+
 
+mkdir -p build
 cd build
   cmake \
     -DCMAKE_C_FLAGS:STRING="$SLKCFLAGS" \
     -DCMAKE_CXX_FLAGS:STRING="$SLKCFLAGS" \
     -DCMAKE_INSTALL_PREFIX=/usr \
     -DCMAKE_BUILD_TYPE=Release ../src
-
-  # DSO GL and pthread fix
-  sed -i "s/$/-lGL -lpthread/" CMakeFiles/pianobooster.dir/link.txt
-
   make VERBOSE=1
   make install/strip DESTDIR=$PKG
 cd ..
 
-# Make the .desktop file validate.
-sed -i 's/Education;/&AudioVideo;/' $PKG/usr/share/applications/$PRGNAM.desktop
-
-# Don't need (will install docs manually below).
-rm -rf $PKG/usr/share/doc
-
 mkdir -p $PKG/usr/doc/$PRGNAM-$VERSION
-cp -a \
-  README.txt gplv3.txt license.txt \
-  $PKG/usr/doc/$PRGNAM-$VERSION
+mv $PKG/usr/share/doc/$PRGNAM/* \
+   $PKG/usr/share/licenses/$PRGNAM/* \
+   $PKG/usr/doc/$PRGNAM-$VERSION
+rm -rf $PKG/usr/share/doc/ $PKG/usr/share/licenses/
 cat $CWD/$PRGNAM.SlackBuild > $PKG/usr/doc/$PRGNAM-$VERSION/$PRGNAM.SlackBuild
 
 mkdir -p $PKG/install
diff --git a/academic/pianobooster/pianobooster.info b/academic/pianobooster/pianobooster.info
index 91a3ad0c6c..b0fdb7ddee 100644
--- a/academic/pianobooster/pianobooster.info
+++ b/academic/pianobooster/pianobooster.info
@@ -1,8 +1,8 @@
 PRGNAM="pianobooster"
-VERSION="0.6.4b"
-HOMEPAGE="http://pianobooster.sourceforge.net/"
-DOWNLOAD="http://downloads.sourceforge.net/pianobooster/pianobooster-src-0.6.4b.tar.gz"
-MD5SUM="4c1c34a4b763e6108aa9668be7890696"
+VERSION="1.0.0"
+HOMEPAGE="https://github.com/pianobooster/PianoBooster"
+DOWNLOAD="https://github.com/pianobooster/PianoBooster/archive/v1.0.0/PianoBooster-1.0.0.tar.gz"
+MD5SUM="2a4701c18a9e3fb7a1185657d51f1dba"
 DOWNLOAD_x86_64=""
 MD5SUM_x86_64=""
 REQUIRES=""