diff --git a/README.md b/README.md
index 7964d9a..8df18d6 100644
--- a/README.md
+++ b/README.md
@@ -1,2 +1,4 @@
 # tpm2-tss
 
+OSS implementation of the TCG TPM2 Software Stack (TSS2).
+
diff --git a/tpm2-tss.spec b/tpm2-tss.spec
new file mode 100644
index 0000000..0a8976f
--- /dev/null
+++ b/tpm2-tss.spec
@@ -0,0 +1,143 @@
+Name:          tpm2-tss
+Version:       2.4.0
+Release:       1mamba
+Summary:       OSS implementation of the TCG TPM2 Software Stack (TSS2)
+Group:         System/Libraries
+Vendor:        openmamba
+Distribution:  openmamba
+Packager:      Silvan Calarco <silvan.calarco@mambasoft.it>
+URL:           https://tpm2-software.github.io
+## GITSOURCE https://github.com/tpm2-software/tpm2-tss.git 2.4.0
+Source:        https://github.com/tpm2-software/tpm2-tss.git/%{version}/tpm2-tss-%{version}.tar.bz2
+License:       BSD
+## AUTOBUILDREQ-BEGIN
+BuildRequires: glibc-devel
+BuildRequires: ldconfig
+BuildRequires: libbrotli-devel
+BuildRequires: libcares-devel
+BuildRequires: libcurl-devel
+BuildRequires: libe2fs-devel
+BuildRequires: libgss-devel
+BuildRequires: libicu-devel
+BuildRequires: libjson-c-devel
+BuildRequires: libkrb5-devel
+BuildRequires: libopenldap-devel
+BuildRequires: libopenssl-devel
+BuildRequires: libpsl-devel
+BuildRequires: librtmp-devel
+BuildRequires: libsasl2-devel
+BuildRequires: libssh2-devel
+BuildRequires: libz-devel
+## AUTOBUILDREQ-END
+Requires:      libtss2 = %{?epoch:%epoch:}%{version}-%{release}
+BuildRoot:     %{_tmppath}/%{name}-%{version}-root
+
+%description
+OSS implementation of the TCG TPM2 Software Stack (TSS2).
+
+%package -n libtss2
+Group:         System/Libraries
+Summary:       OSS implementation of the TCG TPM2 Software Stack (TSS2)
+Requires:      %{name} = %{?epoch:%epoch:}%{version}-%{release}
+
+%description -n libtss2
+OSS implementation of the TCG TPM2 Software Stack (TSS2).
+This package contains shared libraries for %{name}.
+
+%package -n libtss2-devel
+Group:         Development/Libraries
+Summary:       Development files for %{name}
+Requires:      libtss2 = %{?epoch:%epoch:}%{version}-%{release}
+
+%description -n libtss2-devel
+This package contains libraries and header files for developing applications that use %{name}.
+
+%debug_package
+
+%prep
+%setup -q
+./bootstrap
+
+%build
+%configure
+
+%make
+
+%install
+[ "%{buildroot}" != / ] && rm -rf "%{buildroot}"
+%makeinstall
+
+%clean
+[ "%{buildroot}" != / ] && rm -rf "%{buildroot}"
+
+%post -n libtss2 -p /sbin/ldconfig
+%postun -n libtss2 -p /sbin/ldconfig
+
+%files
+%defattr(-,root,root)
+%{_sysconfdir}/sysusers.d/tpm2-tss.conf
+%{_sysconfdir}/tmpfiles.d/tpm2-tss-fapi.conf
+%{_sysconfdir}/tpm2-tss/fapi-config.json
+%{_sysconfdir}/tpm2-tss/fapi-profiles/P_ECCP256SHA256.json
+%{_sysconfdir}/tpm2-tss/fapi-profiles/P_RSA2048SHA256.json
+
+%files -n libtss2
+%defattr(-,root,root)
+%{_libdir}/libtss2-esys.so.*
+%{_libdir}/libtss2-fapi.so.*
+%{_libdir}/libtss2-mu.so.*
+%{_libdir}/libtss2-rc.so.*
+%{_libdir}/libtss2-sys.so.*
+%{_libdir}/libtss2-tcti-device.so.*
+%{_libdir}/libtss2-tcti-mssim.so.*
+%{_libdir}/libtss2-tctildr.so.*
+%doc LICENSE
+
+%files -n libtss2-devel
+%defattr(-,root,root)
+%dir %{_includedir}/tss2
+%{_includedir}/tss2/tss2_*.h
+%{_libdir}/libtss2-esys.a
+%{_libdir}/libtss2-esys.la
+%{_libdir}/libtss2-esys.so
+%{_libdir}/libtss2-fapi.a
+%{_libdir}/libtss2-fapi.la
+%{_libdir}/libtss2-fapi.so
+%{_libdir}/libtss2-mu.a
+%{_libdir}/libtss2-mu.la
+%{_libdir}/libtss2-mu.so
+%{_libdir}/libtss2-rc.a
+%{_libdir}/libtss2-rc.la
+%{_libdir}/libtss2-rc.so
+%{_libdir}/libtss2-sys.a
+%{_libdir}/libtss2-sys.la
+%{_libdir}/libtss2-sys.so
+%{_libdir}/libtss2-tcti-device.a
+%{_libdir}/libtss2-tcti-device.la
+%{_libdir}/libtss2-tcti-device.so
+%{_libdir}/libtss2-tcti-mssim.a
+%{_libdir}/libtss2-tcti-mssim.la
+%{_libdir}/libtss2-tcti-mssim.so
+%{_libdir}/libtss2-tctildr.a
+%{_libdir}/libtss2-tctildr.la
+%{_libdir}/libtss2-tctildr.so
+%{_libdir}/pkgconfig/tss2-esys.pc
+%{_libdir}/pkgconfig/tss2-fapi.pc
+%{_libdir}/pkgconfig/tss2-mu.pc
+%{_libdir}/pkgconfig/tss2-rc.pc
+%{_libdir}/pkgconfig/tss2-sys.pc
+%{_libdir}/pkgconfig/tss2-tcti-device.pc
+%{_libdir}/pkgconfig/tss2-tcti-mssim.pc
+%{_libdir}/pkgconfig/tss2-tctildr.pc
+%{_libdir}/udev/rules.d/tpm-udev.rules
+%{_mandir}/man3/ESYS_*.3*
+%{_mandir}/man3/Esys_*.3*
+%{_mandir}/man3/FapiTestgroup.3*
+%{_mandir}/man3/Fapi_*.3*
+%{_mandir}/man3/Tss2_*.3*
+%{_mandir}/man7/tss2-*.7*
+%doc README.md
+
+%changelog
+* Wed Apr 15 2020 Silvan Calarco <silvan.calarco@mambasoft.it> 2.4.0-1mamba
+- package created using the webbuild interface