diff --git a/README.md b/README.md
index 2297d4e..6195de8 100644
--- a/README.md
+++ b/README.md
@@ -1,7 +1,4 @@
 # java-rosetta
 
-JRosetta provides a common base for graphical component that could be used
-to build a graphical console in Swing with the latest requirements, such as
-command history, completion and so on for instance for scripting language
-or command line.
+JRosetta provides a common base for graphical component that could be used to build a graphical console in Swing with the latest requirements, such as command history, completion and so on for instance for scripting language or command line.
 
diff --git a/java-rosetta.spec b/java-rosetta.spec
index 88c1211..8fb2503 100644
--- a/java-rosetta.spec
+++ b/java-rosetta.spec
@@ -1,50 +1,33 @@
 Name:          java-rosetta
-Version:       1.0.2
+Version:       1.0.4
 Release:       1mamba
 Summary:       A common base to build a graphical console
 Group:         Development/Libraries/Java
 Vendor:        openmamba
 Distribution:  openmamba
-Packager:      gil <puntogil@libero.it>
+Packager:      Silvan Calarco <silvan.calarco@mambasoft.it>
 URL:           http://dev.artenum.com/projects/JRosetta/
-# http://dev.artenum.com/projects/JRosetta/download/JRosetta-1-0-2/data/src-gpl?action=download&nodecorator
-Source:        jrosetta-%{version}-gpl.zip
+Source0:       https://mrwitek.github.io/aur-repo/jrosetta-api-%{version}.jar
+Source1:       https://mrwitek.github.io/aur-repo/jrosetta-engine-%{version}.jar
+## AUTOBUILDREQ-BEGIN
+## AUTOBUILDREQ-END
 License:       GPL
-BuildRequires: apache-ant
-BuildRequires: java-gcj-compat
-BuildRequires: jpackage-utils
-Requires:      java-gcj-compat
-Requires:      jpackage-utils
-BuildRoot:     %{_tmppath}/%{name}-%{version}-root
+BuildRequires: javapackages
 
 %description
-JRosetta provides a common base for graphical component that could be used
-to build a graphical console in Swing with the latest requirements, such as
-command history, completion and so on for instance for scripting language
-or command line.
+JRosetta provides a common base for graphical component that could be used to build a graphical console in Swing with the latest requirements, such as command history, completion and so on for instance for scripting language or command line.
 
 %prep
-%setup -q -n jrosetta-%{version}-gpl
-
-cp -p CHANGE.txt CHANGE.txt.temp
-sed -i -e 's/\r//' CHANGE.txt
-touch -r CHANGE.txt.temp CHANGE.txt
-rm CHANGE.txt.temp
+%setup -q -c -D -T
 
 %build
 
-unset JAVA_HOME
-export JAVA_HOME=/usr/lib/jvm/jdk-gcj
-ant make
-
 %install
 [ "%{buildroot}" != / ] && rm -rf "%{buildroot}"
 
-mkdir -p %{buildroot}%{_javadir}
-
-install -pm 644 dist/jrosetta-API.jar \
+install -D -m0644 %{SOURCE0} \
   %{buildroot}%{_javadir}/jrosetta-API-%{version}.jar
-install -pm 644 dist/jrosetta-engine.jar \
+install -D -m0644 %{SOURCE1} \
   %{buildroot}%{_javadir}/jrosetta-engine-%{version}.jar
 
 (
@@ -63,8 +46,11 @@ install -pm 644 dist/jrosetta-engine.jar \
 %{_javadir}/jrosetta-API.jar
 %{_javadir}/jrosetta-engine-%{version}.jar
 %{_javadir}/jrosetta-engine.jar
-%doc CHANGE.txt COPYRIGHT LICENSE.txt
+#% doc COPYRIGHT LICENSE.txt
 
 %changelog
+* Sun Apr 11 2021 Silvan Calarco <silvan.calarco@mambasoft.it> 1.0.4-1mamba
+- update to 1.0.4
+
 * Fri Jan 21 2011 gil <puntogil@libero.it> 1.0.2-1mamba
 - package created by autospec