diff --git a/README.md b/README.md
index 458c217..6eb41df 100644
--- a/README.md
+++ b/README.md
@@ -1,2 +1,4 @@
 # java-asm
 
+ASM is an all purpose Java bytecode manipulation and analysis framework.
+
diff --git a/java-asm.spec b/java-asm.spec
new file mode 100644
index 0000000..64666ca
--- /dev/null
+++ b/java-asm.spec
@@ -0,0 +1,83 @@
+Name:          java-asm
+Version:       9.6
+Release:       1mamba
+Summary:       A code manipulation tool to implement adaptable systems
+Group:         Development/Libraries/Java
+Vendor:        openmamba
+Distribution:  openmamba
+Packager:      Silvan Calarco <silvan.calarco@mambasoft.it>
+URL:           https://asm.ow2.io/
+Source0:       https://repository.ow2.org/nexus/content/repositories/releases/org/ow2/asm/asm/%{version}/asm-%{version}.jar
+Source1:       https://repository.ow2.org/nexus/content/repositories/releases/org/ow2/asm/asm-analysis/%{version}/asm-analysis-%{version}.jar
+Source2:       https://repository.ow2.org/nexus/content/repositories/releases/org/ow2/asm/asm-commons/%{version}/asm-commons-%{version}.jar
+Source3:       https://repository.ow2.org/nexus/content/repositories/releases/org/ow2/asm/asm-tree/%{version}/asm-tree-%{version}.jar
+Source4:       https://repository.ow2.org/nexus/content/repositories/releases/org/ow2/asm/asm-util/%{version}/asm-util-%{version}.jar
+Source5:       https://repository.ow2.org/nexus/content/repositories/releases/org/ow2/asm/asm-test/%{version}/asm-test-%{version}.jar
+License:       BSD
+## AUTOBUILDREQ-BEGIN
+## AUTOBUILDREQ-END
+BuildRequires: javapackages
+Requires:      javapackages
+Provides:      objectweb-asm
+Obsoletes:     objectweb-asm <= 3.2
+
+%description
+ASM is an all purpose Java bytecode manipulation and analysis framework.
+
+%prep
+
+%build
+
+%install
+[ "%{buildroot}" != / ] && rm -rf "%{buildroot}"
+
+install -D -m 644 %{SOURCE0} %{buildroot}%{_javadir}/asm/asm-%{version}.jar
+install -D -m 644 %{SOURCE1} %{buildroot}%{_javadir}/asm/asm-analysis-%{version}.jar
+install -D -m 644 %{SOURCE2} %{buildroot}%{_javadir}/asm/asm-commons-%{version}.jar
+install -D -m 644 %{SOURCE3} %{buildroot}%{_javadir}/asm/asm-tree-%{version}.jar
+install -D -m 644 %{SOURCE4} %{buildroot}%{_javadir}/asm/asm-util-%{version}.jar
+install -D -m 644 %{SOURCE5} %{buildroot}%{_javadir}/asm/asm-test-%{version}.jar
+
+for f in asm{,-analysis,-commons,-tree,-util,-test}; do
+   ln -s ${f}-%{version}.jar %{buildroot}%{_javadir}/asm/${f}.jar
+done
+
+%clean
+[ "%{buildroot}" != / ] && rm -rf "%{buildroot}"
+
+%files
+%defattr(-,root,root)
+%dir %{_javadir}/asm
+%{_javadir}/asm/asm-%{version}.jar
+%{_javadir}/asm/asm.jar
+%{_javadir}/asm/asm-analysis-%{version}.jar
+%{_javadir}/asm/asm-analysis.jar
+%{_javadir}/asm/asm-commons-%{version}.jar
+%{_javadir}/asm/asm-commons.jar
+%{_javadir}/asm/asm-tree-%{version}.jar
+%{_javadir}/asm/asm-tree.jar
+%{_javadir}/asm/asm-test-%{version}.jar
+%{_javadir}/asm/asm-test.jar
+%{_javadir}/asm/asm-util-%{version}.jar
+%{_javadir}/asm/asm-util.jar
+
+%changelog
+* Wed Oct 25 2023 Silvan Calarco <silvan.calarco@mambasoft.it> 9.6-1mamba
+- renamed from objectweb-asm to java-asm
+- update to 9.6
+
+* Fri Mar 25 2011 gil <puntogil@libero.it> 3.2-4mamba
+- rebuilt with java-openjdk support
+
+* Sat Oct 30 2010 gil <puntogil@libero.it> 3.2-3mamba
+- rebuilt in devel
+- add OSGi support
+
+* Sat Jan 09 2010 gil <puntogil@libero.it> 3.2-2mamba
+- rebuilt with: java-cojen java-csg-bytecode java-jbet java-jiapi java-kawa java-rhino java-serp
+
+* Tue Jul 28 2009 gil <puntogil@libero.it> 3.2-1mamba
+- update to 3.2
+
+* Wed Feb 25 2009 gil <puntogil@libero.it> 3.1-1mamba
+- package created by autospec