diff --git a/blender.spec b/blender.spec
index 5a01ac0..34b3f11 100644
--- a/blender.spec
+++ b/blender.spec
@@ -1,6 +1,6 @@
 %define majver %(echo %version | sed "s|[a-z]*$||")
 Name:          blender
-Version:       2.79b
+Version:       2.81
 Release:       1mamba
 Summary:       3D modeling, animation, rendering and post-production
 Group:         Applications/Multimedia
@@ -8,7 +8,7 @@ Vendor:        openmamba
 Distribution:  openmamba
 Packager:      Silvan Calarco <silvan.calarco@mambasoft.it>
 URL:           http://www.blender.org/
-Source0:       http://download.blender.org/source/blender-%{version}.tar.gz
+Source0:       http://download.blender.org/source/blender-%{version}.tar.xz
 Source1:       blender.png
 Source2:       blender.desktop
 Source3:       blender-wrapper
@@ -59,11 +59,13 @@ BuildRequires: libode-devel
 BuildRequires: gettext-devel
 BuildRequires: libspnav-devel
 BuildRequires: python-numpy-py3
+BuildRequires: python3
 BuildRequires: libopenexr-devel >= 2.0.1-3mamba
 BuildRequires: libilmbase-devel >= 2.0.1-2mamba
 BuildRequires: libopencolorio-devel
+BuildRequires: tbb-devel
 #Requires:      yafray
-%py_requires
+%py3_requires
 BuildRoot:     %{_tmppath}/%{name}-%{version}-root/
 
 # FIXME : (build requirements)
@@ -75,6 +77,8 @@ BuildRoot:     %{_tmppath}/%{name}-%{version}-root/
 Blender is the essential software solution you need for 3D, from modeling, animation, rendering and post-production to interactive creation and playback.
 Professionals and novices can easily and inexpensively publish stand-alone, secure, multi-platform content to the web, CD-ROMs, and other media, whether they are users of Windows, Linux, Irix, Sun Solaris, FreeBSD or OSX.
 
+%debug_package
+
 %prep
 %setup -q -n %{name}-%{version}
 #-D -T
@@ -94,10 +98,11 @@ Professionals and novices can easily and inexpensively publish stand-alone, secu
    -DFTGL_LIBPATH=%{_libdir} \
    -DWITH_FREESTYLE=ON \
    -DWITH_SYSTEM_OPENJPEG=ON \
-   -DPYTHON_VERSION=3.6 \
-   -DPYTHON_LIBPATH=%{_libdir} \
-   -DPYTHON_LIBRARY=python3.6m \
-   -DPYTHON_INCLUDE_DIRS=%{_includedir}/python3.6m
+   -DPYTHON_VERSION=%{python3_version} \
+   -DPYTHON_LIBPATH=%{_libdir}
+
+#   -DPYTHON_LIBRARY=python3.6m \
+#   -DPYTHON_INCLUDE_DIRS=%{_includedir}/python3.6m
 
 export LD_LIBRARY_PATH=`pwd`/lib
 %make
@@ -156,16 +161,20 @@ fi
 %{_bindir}/blender-thumbnailer.py
 %dir %{_libdir}/blender
 %{_libdir}/blender/*.so
+%{_libdir}/blender/libaudaspace*.a
 %dir %{_datadir}/blender
 %{_datadir}/blender/*
 %{_datadir}/applications/blender.desktop
-%{_datadir}/icons/hicolor/*/apps/blender.png
-%{_datadir}/icons/hicolor/scalable/apps/blender.svg
+%{_datadir}/icons/hicolor/symbolic/apps/*.svg
+%{_datadir}/icons/hicolor/scalable/apps/*.svg
 %dir %{_datadir}/doc/blender
 %{_datadir}/doc/blender/*
 #%{_mandir}/man1/blender.1.gz
 
 %changelog
+* Sat Nov 23 2019 Silvan Calarco <silvan.calarco@mambasoft.it> 2.81-1mamba
+- update to 2.81
+
 * Sat Mar 24 2018 Automatic Build System <autodist@mambasoft.it> 2.79b-1mamba
 - automatic version update by autodist