diff --git a/ocaml-schroedinger-0.1.1-ocaml-ogg-0.7.4.patch b/ocaml-schroedinger-0.1.1-ocaml-ogg-0.7.4.patch
new file mode 100644
index 0000000..7bf0d5f
--- /dev/null
+++ b/ocaml-schroedinger-0.1.1-ocaml-ogg-0.7.4.patch
@@ -0,0 +1,11 @@
+--- ocaml-schroedinger-0.1.1/src/Makefile.in.orig	2024-04-16 15:15:12.838389618 +0200
++++ ocaml-schroedinger-0.1.1/src/Makefile.in	2024-04-16 15:15:32.334428019 +0200
+@@ -25,7 +25,7 @@
+ PS2PDF = @PS2PDF@
+ OCAMLLIBPATH = @CAMLLIBPATH@
+ 
+-SOURCES = schroedinger.ml schroedinger.mli schroedinger_stubs.c ogg_demuxer_schroedinger_decoder.mli ogg_demuxer_schroedinger_decoder.ml
++SOURCES = schroedinger.ml schroedinger.mli schroedinger_stubs.c
+ RESULT = schroedinger
+ OCAMLDOCFLAGS = -stars
+ LIBINSTALL_FILES = $(wildcard *.mli *.cmi *.cma *.cmxa *.cmx *.a *.so)
diff --git a/ocaml-schroedinger.spec b/ocaml-schroedinger.spec
index f7b8baf..3329da0 100644
--- a/ocaml-schroedinger.spec
+++ b/ocaml-schroedinger.spec
@@ -1,24 +1,26 @@
 %define ocamlpck  schroedinger
 
 Name:          ocaml-schroedinger
-Version:       0.1.0
+Version:       0.1.1
 Release:       1mamba
 Summary:       OCaml bindings to libschroedinger
 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-schroedinger/%{version}/ocaml-schroedinger-%{version}.tar.gz
+Packager:      Silvan Calarco <silvan.calarco@mambasoft.it>
+URL:           https://github.com/savonet/ocaml-schroedinger
+Source:        https://github.com/savonet/ocaml-schroedinger/releases/download/%{version}/ocaml-schroedinger-%{version}.tar.gz
+Patch0:        ocaml-schroedinger-0.1.1-ocaml-ogg-0.7.4.patch
 License:       GPL
 ## AUTOBUILDREQ-BEGIN
-## note: run 'autospec -u -a6 ocaml-schroedinger' to get the list of build requirements.
+BuildRequires: glibc-devel
 BuildRequires: libschroedinger-devel
+BuildRequires: ocaml-ogg-devel
+BuildRequires: ocaml-runtime
 ## AUTOBUILDREQ-END
 BuildRequires: ocaml
 BuildRequires: ocaml-findlib
 BuildRequires: camlidl
-BuildRoot:     %{_tmppath}/%{name}-%{version}-root
 
 %description
 This package contains an O'Caml interface for library for encoding/decoding of Dirac video streams otherwise known as schroedinger.
@@ -33,6 +35,8 @@ This package contains libraries and signature files for developing applications
 
 %prep
 %setup -q
+%patch0 -p1
+./bootstrap
 
 %build
 ./configure \
@@ -76,5 +80,8 @@ make install
 %doc examples/
 
 %changelog
+* Wed Feb 07 2024 Silvan Calarco <silvan.calarco@mambasoft.it> 0.1.1-1mamba
+- update to 0.1.1
+
 * Wed Jun 26 2013 openmamba WebBuild System <webbuild@openmamba.org> 0.1.0-1mamba
 - package created by davide using the webbuild interface