diff --git a/openttd-openmsx.spec b/openttd-openmsx.spec
index 8e13e97..4621832 100644
--- a/openttd-openmsx.spec
+++ b/openttd-openmsx.spec
@@ -1,42 +1,46 @@
 ### AUTOUPDATE-OFF: 1
 Name:          openttd-openmsx
-Version:       0.3.1
-Release:       2mamba
+Version:       0.4.2
+Release:       1mamba
 Summary:       A set of base musics for OpenTTD
 Group:         Applications/Games
 Vendor:        openmamba
 Distribution:  openmamba
-Packager:      Ercole 'ercolinux' Carpanetto <ercole69@gmail.com>
+Packager:      Silvan Calarco <silvan.calarco@mambasoft.it>
 URL:           http://bundles.openttdcoop.org/openmsx/
-Source:	       http://bundles.openttdcoop.org/openmsx/releases/%{version}/openmsx-%{version}.zip
+Source:	       https://cdn.openttd.org/openmsx-releases/%{version}/openmsx-%{version}-all.zip
 License:       GPL
 ## AUTOBUILDREQ-BEGIN
 ## AUTOBUILDREQ-END
-BuildRoot:     %{_tmppath}/%{name}-%{version}-root
 
 %description
 OpenSFX is a set of base sounds effects for OpenTTD.
 
 %prep
+%setup -c
+tar xf openmsx-%{version}.tar
 
 %build
 
 %install
 [ "%{buildroot}" != / ] && rm -rf "%{buildroot}"
 install -d %{buildroot}%{_datadir}/games/openttd/data/
-cd %{buildroot}%{_datadir}/games/openttd/data/
-unzip %SOURCE0
+cd openmsx-%{version}
+cp *.mid openmsx.* %{buildroot}%{_datadir}/games/openttd/data/
 
 %clean
 [ "%{buildroot}" != / ] && rm -rf "%{buildroot}"
 
 %files
 %defattr(-,root,root)
-%{_datadir}/games/openttd/data/openmsx-%{version}/*.mid
-%{_datadir}/games/openttd/data/openmsx-%{version}/*.obm
-%{_datadir}/games/openttd/data/openmsx-%{version}/*.txt
+%{_datadir}/games/openttd/data/*.mid
+%{_datadir}/games/openttd/data/*.obm
+%doc openmsx-%{version}/license.txt
 
 %changelog
+* Sun Oct 31 2021 Silvan Calarco <silvan.calarco@mambasoft.it> 0.4.2-1mamba
+- update to 0.4.2
+
 * Wed Feb 20 2013 Silvan Calarco <silvan.calarco@mambasoft.it> 0.3.1-2mamba
 - renamed to openttd-openmsx to avoid conflicting with openmsx emulator