diff --git a/audio/amSynth/amSynth.SlackBuild b/audio/amSynth/amSynth.SlackBuild
index 35f929d6a9..29fd9693b0 100644
--- a/audio/amSynth/amSynth.SlackBuild
+++ b/audio/amSynth/amSynth.SlackBuild
@@ -3,7 +3,7 @@
 # Slackware build script for amSynth
 
 # Copyright 2006  paul wisehart wise@lupulin.net
-# Copyright 2019 - 2023  Johannes Schoepfer, Germany
+# Copyright 2019-2024  Johannes Schoepfer, Germany
 # All rights reserved.
 #
 # Redistribution and use of this script, with or without modification, is
@@ -23,14 +23,10 @@
 # OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
 # ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 
-# 20220407 bkw: Modified by SlackBuilds.org, BUILD=2:
-# - remove useless INSTALL from doc dir.
-# - add gtk-update-icon-cache to doinst.sh.
-
 cd $(dirname $0) ; CWD=$(pwd)
 
 PRGNAM=amSynth
-VERSION=${VERSION:-1.13.2}
+VERSION=${VERSION:-1.13.3}
 BUILD=${BUILD:-1}
 TAG=${TAG:-_SBo}
 PKGTYPE=${PKGTYPE:-tgz}
@@ -79,9 +75,9 @@ 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 \
+  -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 {} \;
+  -o -perm 440 -o -perm 400 \) -exec chmod 644 {} +
 
 CFLAGS="$SLKCFLAGS" \
 CXXFLAGS="$SLKCFLAGS" \
diff --git a/audio/amSynth/amSynth.info b/audio/amSynth/amSynth.info
index a798e343d5..1a86859565 100644
--- a/audio/amSynth/amSynth.info
+++ b/audio/amSynth/amSynth.info
@@ -1,8 +1,8 @@
 PRGNAM="amSynth"
-VERSION="1.13.2"
+VERSION="1.13.3"
 HOMEPAGE="https://amsynth.github.io/"
-DOWNLOAD="https://github.com/amsynth/amsynth/releases/download/release-1.13.2/amsynth-1.13.2.tar.gz"
-MD5SUM="06ac50e6df9a237621abaa81b51f401a"
+DOWNLOAD="https://github.com/amsynth/amsynth/releases/download/release-1.13.3/amsynth-1.13.3.tar.gz"
+MD5SUM="be8aceb8f2b5a01d43831acd87730092"
 DOWNLOAD_x86_64=""
 MD5SUM_x86_64=""
 REQUIRES=""