diff --git a/tbb.spec b/tbb.spec
index 98d442e..8c8ee15 100644
--- a/tbb.spec
+++ b/tbb.spec
@@ -1,7 +1,7 @@
 %define pkg_version %(echo %version | tr -d .)
 
 Name:          tbb
-Version:       2020
+Version:       2020.3
 Release:       1mamba
 Summary:       The Threading Building Blocks library abstracts low-level threading details
 Group:         Development/Tools
@@ -9,7 +9,7 @@ Vendor:        openmamba
 Distribution:  openmamba
 Packager:      Silvan Calarco <silvan.calarco@mambasoft.it>
 URL:           http://www.threadingbuildingblocks.org/
-Source0:       https://github.com/intel/tbb.git/%{version}/tbb-%{version}.tar.bz2
+Source0:       https://github.com/intel/tbb.git/v%{version}/tbb-%{version}.tar.bz2
 #Source0:       https://www.threadingbuildingblocks.org/sites/default/files/software_releases/source/tbb%{pkg_version}oss_src.tgz
 Source1:       http://www.threadingbuildingblocks.org/uploads/81/91/Latest%20Open%20Source%20Documentation/Getting_Started.pdf
 Source2:       http://www.threadingbuildingblocks.org/uploads/81/91/Latest%20Open%20Source%20Documentation/Reference.pdf
@@ -62,6 +62,8 @@ Summary:       The Threading Building Blocks documentation
 The Threading Building Blocks library abstracts low-level threading details.
 This package contains the Threading Building Blocks (TBB) documentation.
 
+%debug_package
+
 %prep
 %setup -q
 #%patch0 -p1
@@ -123,6 +125,9 @@ cp -a include/tbb %{buildroot}%{_includedir}
 %doc Getting_Started.pdf Reference.pdf Tutorial.pdf
 
 %changelog
+* Wed Sep 09 2020 Silvan Calarco <silvan.calarco@mambasoft.it> 2020.3-1mamba
+- update to 2020.3
+
 * Wed Dec 25 2019 Silvan Calarco <silvan.calarco@mambasoft.it> 2020-1mamba
 - update to 2020