diff --git a/audio/padthv1/padthv1.SlackBuild b/audio/padthv1/padthv1.SlackBuild
index c15cbbdc7b..60e46075f9 100644
--- a/audio/padthv1/padthv1.SlackBuild
+++ b/audio/padthv1/padthv1.SlackBuild
@@ -6,6 +6,7 @@
 
 # Licensed under the WTFPL. See http://www.wtfpl.net/txt/copying/ for details.
 
+# 20230109 bkw: update for 0.9.28
 # 20211205 bkw: update for 0.9.23
 # 20201106 bkw: update for 0.9.18
 # 20200114 bkw: update for 0.9.12
@@ -13,7 +14,7 @@
 cd $(dirname $0) ; CWD=$(pwd)
 
 PRGNAM=padthv1
-VERSION=${VERSION:-0.9.23}
+VERSION=${VERSION:-0.9.28}
 BUILD=${BUILD:-1}
 TAG=${TAG:-_SBo}
 PKGTYPE=${PKGTYPE:-tgz}
@@ -63,20 +64,19 @@ find -L .  -perm /111 -a \! -perm 755 -a -exec chmod 755 {} \+ -o \
 
 export PATH=/usr/lib$LIBDIRSUFFIX/qt5/bin:$PATH
 
-LDFLAGS="-Wl,-s" \
-CFLAGS="$SLKCFLAGS" \
-CXXFLAGS="$SLKCFLAGS" \
-./configure \
-  --prefix=/usr \
-  --libdir=/usr/lib${LIBDIRSUFFIX} \
-  --sysconfdir=/etc \
-  --localstatedir=/var \
-  --mandir=/usr/man \
-  --docdir=/usr/doc/$PRGNAM-$VERSION \
-  --build=$ARCH-slackware-linux
+mkdir -p build
+cd build
+  cmake \
+    -DCMAKE_C_FLAGS:STRING="$SLKCFLAGS" \
+    -DCMAKE_CXX_FLAGS:STRING="$SLKCFLAGS" \
+    -DCMAKE_INSTALL_MANDIR=/usr/man \
+    -DCMAKE_INSTALL_PREFIX=/usr \
+    -DCMAKE_BUILD_TYPE=Release ..
+  make VERBOSE=1
+  make install/strip DESTDIR=$PKG
+cd ..
 
-make
-make install DESTDIR=$PKG
+gzip -9 $PKG/usr/man/man1/* $PKG/usr/man/fr/man1/*
 
 # I dunno what this is actually for, but as of 0.8.5 it got moved. Move
 # it back to where it belongs, for Slack 14.2.
@@ -97,7 +97,7 @@ for i in man1 fr/man1 fr.UTF-8/man1; do
 done
 
 mkdir -p $PKG/usr/doc/$PRGNAM-$VERSION
-cp -a AUTHORS COPYING ChangeLog README TODO $PKG/usr/doc/$PRGNAM-$VERSION
+cp -a ChangeLog README LICENSE $PKG/usr/doc/$PRGNAM-$VERSION
 cat $CWD/$PRGNAM.SlackBuild > $PKG/usr/doc/$PRGNAM-$VERSION/$PRGNAM.SlackBuild
 
 LIBLO=no
diff --git a/audio/padthv1/padthv1.info b/audio/padthv1/padthv1.info
index 4563625dfe..812730ef69 100644
--- a/audio/padthv1/padthv1.info
+++ b/audio/padthv1/padthv1.info
@@ -1,8 +1,8 @@
 PRGNAM="padthv1"
-VERSION="0.9.23"
+VERSION="0.9.28"
 HOMEPAGE="https://padthv1.sourceforge.io/"
-DOWNLOAD="https://downloads.sourceforge.net/project/padthv1/padthv1/0.9.23/padthv1-0.9.23.tar.gz"
-MD5SUM="70ad8f96fd891220db4d7bde1f201c58"
+DOWNLOAD="https://downloads.sourceforge.net/project/padthv1/padthv1/0.9.28/padthv1-0.9.28.tar.gz"
+MD5SUM="57995ac9eb5bf2c55742445b20347e59"
 DOWNLOAD_x86_64=""
 MD5SUM_x86_64=""
 REQUIRES="jack"