diff --git a/README.md b/README.md
index 6315062..c7e9f9d 100644
--- a/README.md
+++ b/README.md
@@ -1,2 +1,4 @@
 # blosc
 
+A blocking, shuffling and loss-less compression library that can be faster than memcpy().
+
diff --git a/blosc.spec b/blosc.spec
new file mode 100644
index 0000000..4b51569
--- /dev/null
+++ b/blosc.spec
@@ -0,0 +1,85 @@
+Name:          blosc
+Version:       1.21.5
+Release:       1mamba
+Summary:       A blocking, shuffling and loss-less compression library that can be faster than memcpy()
+Group:         System/Libraries
+Vendor:        openmamba
+Distribution:  openmamba
+Packager:      Silvan Calarco <silvan.calarco@mambasoft.it>
+URL:           https://www.blosc.org/
+Source:        https://github.com/Blosc/c-blosc.git/v%{version}/c-blosc-%{version}.tar.bz2
+License:       BSD
+## AUTOBUILDREQ-BEGIN
+BuildRequires: glibc-devel
+BuildRequires: liblz4-devel
+BuildRequires: libsnappy-devel
+BuildRequires: libz-devel
+BuildRequires: libzstd-devel
+## AUTOBUILDREQ-END
+BuildRequires: cmake
+Requires:      lib%{name} = %{?epoch:%epoch:}%{version}-%{release}
+
+%description
+A blocking, shuffling and loss-less compression library that can be faster than memcpy().
+
+%package -n lib%{name}
+Group:         System/Libraries
+Summary:       A blocking, shuffling and loss-less compression library that can be faster than memcpy()
+
+%description -n lib%{name}
+A blocking, shuffling and loss-less compression library that can be faster than memcpy().
+This package contains shared libraries for %{name}.
+
+%package -n lib%{name}-devel
+Group:         Development/Libraries
+Summary:       Development files for %{name}
+Requires:      lib%{name} = %{?epoch:%epoch:}%{version}-%{release}
+
+%description -n lib%{name}-devel
+This package contains libraries and header files for developing applications that use %{name}.
+
+
+%debug_package
+
+%prep
+%setup -q -n c-%{name}-%{version}
+
+%build
+%cmake \
+    -DBUILD_STATIC="OFF" \
+    -DDEACTIVATE_SNAPPY="OFF" \
+    -DPREFER_EXTERNAL_LZ4="ON" \
+    -DPREFER_EXTERNAL_ZLIB="ON" \
+    -DPREFER_EXTERNAL_ZSTD="ON"
+
+%cmake_build
+
+%install
+[ "%{buildroot}" != / ] && rm -rf "%{buildroot}"
+%cmake_install
+
+%clean
+[ "%{buildroot}" != / ] && rm -rf "%{buildroot}"
+
+%post -n lib%{name} -p /sbin/ldconfig
+%postun -n lib%{name} -p /sbin/ldconfig
+
+%files
+%defattr(-,root,root)
+
+%files -n lib%{name}
+%defattr(-,root,root)
+%{_libdir}/libblosc.so.*
+%doc LICENSES
+
+%files -n lib%{name}-devel
+%defattr(-,root,root)
+%{_includedir}/blosc-export.h
+%{_includedir}/blosc.h
+%{_libdir}/libblosc.so
+%{_libdir}/pkgconfig/blosc.pc
+%doc README.md README_CHUNK_FORMAT.rst README_THREADED.rst
+
+%changelog
+* Mon May 06 2024 Silvan Calarco <silvan.calarco@mambasoft.it> 1.21.5-1mamba
+- package created using the webbuild interface