diff --git a/ocaml-cry.spec b/ocaml-cry.spec
index 98190e9..2c03cae 100644
--- a/ocaml-cry.spec
+++ b/ocaml-cry.spec
@@ -1,22 +1,25 @@
 %define ocamlpck  cry
 
 Name:          ocaml-cry
-Version:       0.2.2
+Version:       0.6.6
 Release:       1mamba
 Summary:       OCaml native module for icecast/shoutcast source protocol(s)
 Group:         Development/Libraries
 Vendor:        openmamba
 Distribution:  openmamba
-Packager:      Davide Madrisan <davide.madrisan@gmail.com>
-URL:           http://savonet.sourceforge.net/
-Source:        http://sourceforge.net/projects/savonet/files/ocaml-cry/%{version}/ocaml-cry-%{version}.tar.gz
+Packager:      Silvan Calarco <silvan.calarco@mambasoft.it>
+URL:           https://github.com/savonet/ocaml-cry
+Source:        https://github.com/savonet/ocaml-cry.git/v%{version}/ocaml-cry-%{version}.tar.bz2
 License:       GPL
 ## AUTOBUILDREQ-BEGIN
+BuildRequires: glibc-devel
+BuildRequires: ocaml
+BuildRequires: ocaml-ssl-devel
 ## AUTOBUILDREQ-END
+BuildRequires: dune
 BuildRequires: ocaml
 BuildRequires: ocaml-findlib
 BuildRequires: camlidl
-BuildRoot:     %{_tmppath}/%{name}-%{version}-root
 
 %description
 OCaml native module for icecast/shoutcast source protocol(s).
@@ -29,27 +32,19 @@ 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
 
 %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}"
@@ -60,6 +55,8 @@ make install
 %{_libdir}/ocaml/%{ocamlpck}/META
 %{_libdir}/ocaml/%{ocamlpck}/*.cma
 %{_libdir}/ocaml/%{ocamlpck}/*.cmi
+%dir %{_libdir}/ocaml/cry
+%{_libdir}/ocaml/cry/*
 %doc COPYING
 
 %files devel
@@ -68,10 +65,15 @@ make install
 %{_libdir}/ocaml/%{ocamlpck}/*.cmxa
 %{_libdir}/ocaml/%{ocamlpck}/*.cmx
 %{_libdir}/ocaml/%{ocamlpck}/*.mli
-%doc CHANGES README
-%doc doc/html/
-%doc examples/
+%doc CHANGES README.md
 
 %changelog
+* Mon Jan 31 2022 Silvan Calarco <silvan.calarco@mambasoft.it> 0.6.6-1mamba
+- update to 0.6.6
+- require ocaml-ssl
+
+* Fri Feb 19 2021 Silvan Calarco <silvan.calarco@mambasoft.it> 0.6.5-1mamba
+- update to 0.6.5
+
 * Wed Jun 26 2013 Davide Madrisan <davide.madrisan@gmail.com> 0.2.2-1mamba
 - package created by autospec