diff --git a/ocaml-ffmpeg.spec b/ocaml-ffmpeg.spec
index 5b5de4c..c2df878 100644
--- a/ocaml-ffmpeg.spec
+++ b/ocaml-ffmpeg.spec
@@ -1,19 +1,18 @@
 %define ocamlpck  ffmpeg
 
 Name:          ocaml-ffmpeg
-Version:       0.1.0
+Version:       0.4.3
 Release:       1mamba
 Summary:       OCaml bindings to the FFmpeg library
 Group:         Development/Bindings
 Vendor:        openmamba
 Distribution:  openmamba
-Packager:      openmamba WebBuild System <webbuild@openmamba.org>
-URL:           http://savonet.sourceforge.net/
-Source:        http://sourceforge.net/projects/savonet/files/ocaml-ffmpeg/%{version}/ocaml-ffmpeg-%{version}.tar.gz
+Packager:      Silvan Calarco <silvan.calarco@mambasoft.it>
+URL:           https://github.com/savonet/ocaml-ffmpeg
+Source:        https://github.com/savonet/ocaml-ffmpeg/releases/download/v%{version}/ocaml-ffmpeg-%{version}.tar.gz
+#Source:        http://sourceforge.net/projects/savonet/files/ocaml-ffmpeg/%{version}/ocaml-ffmpeg-%{version}.tar.gz
 License:       LGPL
 ## AUTOBUILDREQ-BEGIN
-## note: run 'autospec -u -a6 ocaml-ffmpeg' to get the list of build requirements.
-## AUTOBUILDREQ-END
 BuildRequires: libpulseaudio-devel
 BuildRequires: libavcodec-ffmpeg-devel
 BuildRequires: libavdevice-ffmpeg-devel
@@ -23,7 +22,7 @@ BuildRequires: libavutil-ffmpeg-devel
 BuildRequires: libpostproc-ffmpeg-devel
 BuildRequires: libswscale-ffmpeg-devel
 BuildRequires: libswresample-ffmpeg-devel
-BuildRoot:     %{_tmppath}/%{name}-%{version}-root
+## AUTOBUILDREQ-END
 
 %description
 OCaml bindings to the FFmpeg library.
@@ -36,8 +35,11 @@ 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
+./bootstrap
 
 %build
 ./configure \
@@ -76,9 +78,12 @@ make install
 %{_libdir}/ocaml/%{ocamlpck}/*.cmxa
 %{_libdir}/ocaml/%{ocamlpck}/*.cmx
 %{_libdir}/ocaml/%{ocamlpck}/*.mli
-%doc CHANGES README
+%doc CHANGES
 #%doc doc/html/
 
 %changelog
+* Fri Feb 26 2021 Silvan Calarco <silvan.calarco@mambasoft.it> 0.4.3-1mamba
+- update to 0.4.3
+
 * Sat Jun 29 2013 openmamba WebBuild System <webbuild@openmamba.org> 0.1.0-1mamba
 - package created by davide using the webbuild interface