diff --git a/jjazzlab-bin.spec b/jjazzlab-bin.spec
index 99dbf4e..37fa34e 100644
--- a/jjazzlab-bin.spec
+++ b/jjazzlab-bin.spec
@@ -1,13 +1,13 @@
 Name:          jjazzlab-bin
-Version:       3.2.1
-Release:       2mamba
+Version:       4.0.2
+Release:       1mamba
 Summary:       A Midi-based framework dedicated to backing tracks generation
 Group:         Graphical Desktop/Applications/Multimedia
 Vendor:        openmamba
 Distribution:  openmamba
 Packager:      Silvan Calarco <silvan.calarco@mambasoft.it>
-URL:           https://www.jjazzlab.com
-Source:        https://www.jjazzlab.com/pkg/JJazzLab-%{version}-Linux.zip
+URL:           https://www.jjazzlab.org/
+Source:        https://github.com/jjazzboss/JJazzLab/releases/download/%{version}/JJazzLab-%{version}-linux-x64.tar.xz
 Source1:       jjazzlab.desktop
 Source2:       jjazzlab.png
 Source3:       https://archive.org/download/jjazz-lab-sound-font/JJazzLab-SoundFont.sf2
@@ -16,8 +16,11 @@ Source5:       https://www.jjazzlab.com/docs/jjazzlab_user_styles.zip
 License:       LGPL
 ## AUTOBUILDREQ-BEGIN
 BuildRequires: glibc-devel
+BuildRequires: java-openjdk11-runtime
 ## AUTOBUILDREQ-END
+Requires:      fluidsynth
 Requires:      java-runtime
+Obsoletes:     linuxband <= 12.02.1-1mamba
 Recommends:    qsynth
 
 %description
@@ -43,7 +46,7 @@ A collection of more than 2500 standard songs at the JJazzLab format. They only
 #% debug_package
 
 %prep
-%setup -q -n JJazzLab-%{version}-Linux
+%setup -q -n JJazzLab-%{version}
 # Use system JDK
 rm -r jdk
 sed 's/\(^jdkhome="jdk"$\)/#\1/' etc/jjazzlab.conf > etc/jjazzlab.conf
@@ -73,6 +76,8 @@ mv JJazzLab-Realbook realbook
 unzip %{SOURCE5}
 mv jjazzlab_user_styles styles
 
+rm -rf %{buildroot}%{_datadir}/jjazzlab/platform/modules/lib/{aarch64,x86,riscv64,i386}
+
 %clean
 [ "%{buildroot}" != / ] && rm -rf "%{buildroot}"
 
@@ -95,6 +100,12 @@ mv jjazzlab_user_styles styles
 %{_datadir}/soundfonts/JJazzLab-SoundFont.sf2
 
 %changelog
+* Mon Mar 04 2024 Silvan Calarco <silvan.calarco@mambasoft.it> 4.0.2-1mamba
+- update to 4.0.2
+
+* Mon Mar 04 2024 Silvan Calarco <silvan.calarco@mambasoft.it> 3.2.1-3mamba
+- obsolete linuxband
+
 * Sat Jul 08 2023 Silvan Calarco <silvan.calarco@mambasoft.it> 3.2.1-2mamba
 - add soundfont and realbook subpackages