diff --git a/ocaml-shine.spec b/ocaml-shine.spec
index 6e6e415..903c68f 100644
--- a/ocaml-shine.spec
+++ b/ocaml-shine.spec
@@ -1,24 +1,25 @@
 %define ocamlpck  shine
 
 Name:          ocaml-shine
-Version:       0.1.1
-Release:       2mamba
+Version:       0.2.2
+Release:       1mamba
 Summary:       OCaml binding to the fixed-point mp3 encoding library shine
 Group:         Development/Bindings
 Vendor:        openmamba
 Distribution:  openmamba
-Packager:      Davide Madrisan <davide.madrisan@gmail.com>
-URL:           http://savonet.sourceforge.net/
-Source:        http://sourceforge.net/projects/savonet/files/ocaml-shine/%{version}/ocaml-shine-%{version}.tar.gz
+Packager:      Silvan Calarco <silvan.calarco@mambasoft.it>
+URL:           https://github.com/savonet/ocaml-shine
+Source:        https://github.com/savonet/ocaml-shine.git/v%{version}/ocaml-shine-%{version}.tar.bz2
 Patch0:        ocaml-shine-0.1.1-libshine-3.0.0.patch
 License:       LGPL
 ## AUTOBUILDREQ-BEGIN
 BuildRequires: glibc-devel
 BuildRequires: libshine-devel
+BuildRequires: ocaml
 ## AUTOBUILDREQ-END
+BuildRequires: dune
 BuildRequires: ocaml-ocamldoc
 BuildRequires: libshine-devel >= 3.0.0-1mamba
-BuildRoot:     %{_tmppath}/%{name}-%{version}-root
 
 %description
 This package contains an OCaml interface for the shine fixed-point encoding library.
@@ -31,28 +32,20 @@ Requires:      %{name} = %{?epoch:%epoch:}%{version}-%{release}
 %description devel
 This package contains libraries and signature files for developing applications that use %{name}.
 
+%debug_package
+
 %prep
 %setup -q
-%patch0 -p1
+#%patch0 -p1
 
 %build
-./configure \
-   --prefix=%{_prefix} \
-   --disable-ldconf
-
-make
-make doc
+dune build
 
 %install
 [ "%{buildroot}" != / ] && rm -rf "%{buildroot}"
-export DESTDIR=%{buildroot}
-export OCAMLFIND_DESTDIR=%{buildroot}$(ocamlfind printconf destdir)
-export DLLDIR=$OCAMLFIND_DESTDIR/stublibs
+DESTDIR=%{buildroot} dune install --prefix "/usr" --libdir "%{_lib}/ocaml"
 
-install -d $OCAMLFIND_DESTDIR/%{ocamlpck}
-install -d $OCAMLFIND_DESTDIR/stublibs
-
-make install
+rm -rf %{buildroot}/usr/doc
 
 %clean
 [ "%{buildroot}" != / ] && rm -rf "%{buildroot}"
@@ -60,9 +53,11 @@ make install
 %files
 %defattr(-,root,root)
 %dir %{_libdir}/ocaml/%{ocamlpck}
-%{_libdir}/ocaml/%{ocamlpck}/META
-%{_libdir}/ocaml/%{ocamlpck}/*.cma
-%{_libdir}/ocaml/%{ocamlpck}/*.cmi
+%{_libdir}/ocaml/%{ocamlpck}/*
+%exclude %{_libdir}/ocaml/%{ocamlpck}/*.a
+%exclude %{_libdir}/ocaml/%{ocamlpck}/*.cmxa
+%exclude %{_libdir}/ocaml/%{ocamlpck}/*.cmx
+%exclude %{_libdir}/ocaml/%{ocamlpck}/*.mli
 %{_libdir}/ocaml/stublibs/*.so*
 %doc COPYING
 
@@ -72,11 +67,13 @@ make install
 %{_libdir}/ocaml/%{ocamlpck}/*.cmxa
 %{_libdir}/ocaml/%{ocamlpck}/*.cmx
 %{_libdir}/ocaml/%{ocamlpck}/*.mli
-%doc CHANGES README
-%doc doc/html/
+%doc CHANGES README.md
 %doc examples/
 
 %changelog
+* Sun Jan 30 2022 Silvan Calarco <silvan.calarco@mambasoft.it> 0.2.2-1mamba
+- update to 0.2.2
+
 * Thu May 14 2015 Silvan Calarco <silvan.calarco@mambasoft.it> 0.1.1-2mamba
 - rebuilt by autoport with build requirements: libshine-devel>=3.0.0-1mamba