diff --git a/kodi-inputstream-adaptive.spec b/kodi-inputstream-adaptive.spec
index 6684956..263da1b 100644
--- a/kodi-inputstream-adaptive.spec
+++ b/kodi-inputstream-adaptive.spec
@@ -1,6 +1,7 @@
 %define majver %(echo %version | cut -d. -f1)
+%define bento_version 1.6.0-639-6
 Name:          kodi-inputstream-adaptive
-Version:       19.0.7
+Version:       20.3.5
 Release:       1mamba
 Summary:       kodi inputstream addon for several manifest types 
 Group:         Graphical Desktop/Applications/Multimedia
@@ -8,7 +9,8 @@ Vendor:        openmamba
 Distribution:  openmamba
 Packager:      Silvan Calarco <silvan.calarco@mambasoft.it>
 URL:           https://github.com/xbmc/inputstream.adaptive
-Source:        https://github.com/xbmc/inputstream.adaptive.git/%{version}-Matrix/inputstream.adaptive-%{version}.tar.bz2
+Source:        https://github.com/xbmc/inputstream.adaptive.git/%{version}-Nexus/inputstream.adaptive-%{version}.tar.bz2
+Source1:       https://github.com/xbmc/Bento4/archive/refs/tags/%{bento_version}-Nexus.tar.gz
 License:       GPL
 ## AUTOBUILDREQ-BEGIN
 BuildRequires: glibc-devel
@@ -16,8 +18,8 @@ BuildRequires: libexpat-devel
 BuildRequires: libgcc
 BuildRequires: libstdc++6-devel
 ## AUTOBUILDREQ-END
+BuildRequires: kodi-devel >= 0:20.1-1mamba
 BuildRequires: cmake
-BuildRequires: kodi-devel
 Requires:      kodi >= %{majver}
 Requires:      kodi < %{majver}.999
 
@@ -30,7 +32,11 @@ kodi inputstream addon for several manifest types.
 %setup -q -n inputstream.adaptive-%{version}
 
 %build
-%cmake -d build
+%cmake -d build \
+   -DBUILD_SHARED_LIBS=1 \
+   -DUSE_LTO=1 \
+   -DENABLE_INTERNAL_BENTO4=1 \
+   -DBENTO4_URL="%{SOURCE1}"
 
 %make
 
@@ -49,6 +55,9 @@ kodi inputstream addon for several manifest types.
 %{_datadir}/kodi/addons/inputstream.adaptive/*
 
 %changelog
+* Fri Mar 24 2023 Silvan Calarco <silvan.calarco@mambasoft.it> 20.3.5-1mamba
+- update to 20.3.5
+
 * Fri Jun 24 2022 Automatic Build System <autodist@mambasoft.it> 19.0.7-1mamba
 - automatic version update by autodist