diff --git a/bctoolbox.spec b/bctoolbox.spec
index dba61cb..323e10a 100644
--- a/bctoolbox.spec
+++ b/bctoolbox.spec
@@ -1,13 +1,12 @@
 Name:          bctoolbox
-Version:       4.3.1
+Version:       5.0.37
 Release:       1mamba
 Summary:       Utilities library used by Belledonne Communications softwares like belle-sip, mediastreamer2 and linphone
 Group:         System/Libraries
 Vendor:        openmamba
 Distribution:  openmamba
 Packager:      Silvan Calarco <silvan.calarco@mambasoft.it>
-URL:           http://linphone.org
-## GITSOURCE https://github.com/BelledonneCommunications/bctoolbox.git 0.4.0
+URL:           https://linphone.org
 Source:        https://github.com/BelledonneCommunications/bctoolbox.git/%{version}/bctoolbox-%{version}.tar.bz2
 Patch0:        bctoolbox-0.6.0-ftbfs-arm.patch
 License:       GPL
@@ -15,12 +14,12 @@ License:       GPL
 BuildRequires: glibc-devel
 BuildRequires: libbcunit-devel
 BuildRequires: libgcc
-BuildRequires: libpolarssl-devel
+BuildRequires: libmbedtls-devel
 BuildRequires: libstdc++6-devel
 ## AUTOBUILDREQ-END
 BuildRequires: cmake
+BuildRequires: libbcunit-devel >= 3.0.2.20200229git-2mamba
 Requires:      lib%{name} = %{?epoch:%epoch:}%{version}-%{release}
-BuildRoot:     %{_tmppath}/%{name}-%{version}-root
 
 %description
 Utilities library used by Belledonne Communications softwares like belle-sip, mediastreamer2 and linphone.
@@ -50,16 +49,18 @@ This package contains libraries and header files for developing applications tha
 #% patch0 -p1
 #%endif
 
-./autogen.sh
-
 %build
-%configure
+export CC=/usr/bin/clang
+export CXX=/usr/bin/clang++
+
+%cmake -d build \
+   -DENABLE_STRICT=OFF
 
 %make
 
 %install
 [ "%{buildroot}" != / ] && rm -rf "%{buildroot}"
-%makeinstall
+%makeinstall -C build
 
 %clean
 [ "%{buildroot}" != / ] && rm -rf "%{buildroot}"
@@ -71,22 +72,78 @@ This package contains libraries and header files for developing applications tha
 %defattr(-,root,root)
 %{_libdir}/libbctoolbox-tester.so.*
 %{_libdir}/libbctoolbox.so.*
-%doc AUTHORS COPYING
+%doc LICENSE.txt
 
 %files -n lib%{name}-devel
 %defattr(-,root,root)
 %dir %{_includedir}/bctoolbox
 %{_includedir}/bctoolbox/*
-%{_libdir}/libbctoolbox-tester.la
+%{_libdir}/libbctoolbox-tester.a
 %{_libdir}/libbctoolbox-tester.so
-%{_libdir}/libbctoolbox.la
+%{_libdir}/libbctoolbox.a
 %{_libdir}/libbctoolbox.so
+%dir %{_datadir}/bctoolbox
+%dir %{_datadir}/bctoolbox/cmake
+%{_datadir}/bctoolbox/cmake/*.cmake
+%{_datadir}/bctoolbox/cmake/gitversion.h.in
 %{_libdir}/pkgconfig/bctoolbox-tester.pc
 %{_libdir}/pkgconfig/bctoolbox.pc
-%doc NEWS
-
 
 %changelog
+* Thu Oct 21 2021 Automatic Build System <autodist@mambasoft.it> 5.0.37-1mamba
+- automatic version update by autodist
+
+* Fri Oct 15 2021 Automatic Build System <autodist@mambasoft.it> 5.0.35-1mamba
+- automatic version update by autodist
+
+* Fri Oct 08 2021 Automatic Build System <autodist@mambasoft.it> 5.0.32-1mamba
+- automatic version update by autodist
+
+* Thu Sep 30 2021 Automatic Build System <autodist@mambasoft.it> 5.0.28-1mamba
+- automatic version update by autodist
+
+* Sat Sep 25 2021 Automatic Build System <autodist@mambasoft.it> 5.0.26-1mamba
+- automatic version update by autodist
+
+* Thu Sep 23 2021 Automatic Build System <autodist@mambasoft.it> 5.0.24-1mamba
+- automatic version update by autodist
+
+* Fri Sep 17 2021 Automatic Build System <autodist@mambasoft.it> 5.0.23-1mamba
+- automatic version update by autodist
+
+* Thu Sep 16 2021 Automatic Build System <autodist@mambasoft.it> 5.0.22-1mamba
+- automatic version update by autodist
+
+* Mon Sep 06 2021 Automatic Build System <autodist@mambasoft.it> 5.0.18-1mamba
+- automatic version update by autodist
+
+* Thu Sep 02 2021 Automatic Build System <autodist@mambasoft.it> 5.0.15-1mamba
+- automatic version update by autodist
+
+* Tue Aug 31 2021 Automatic Build System <autodist@mambasoft.it> 5.0.13-1mamba
+- automatic version update by autodist
+
+* Tue Aug 10 2021 Automatic Build System <autodist@mambasoft.it> 5.0.5-1mamba
+- automatic version update by autodist
+
+* Fri Jul 30 2021 Automatic Build System <autodist@mambasoft.it> 5.0.3-1mamba
+- automatic version update by autodist
+
+* Fri Jul 09 2021 Automatic Build System <autodist@mambasoft.it> 5.0.0-1mamba
+- automatic version update by autodist
+
+* Fri Jun 25 2021 Automatic Build System <autodist@mambasoft.it> 4.5.22-1mamba
+- automatic version update by autodist
+
+* Tue Jun 15 2021 Automatic Build System <autodist@mambasoft.it> 4.5.20-1mamba
+- automatic version update by autodist
+
+* Fri May 14 2021 Automatic Build System <autodist@mambasoft.it> 4.5.15-1mamba
+- automatic version update by autodist
+
+* Fri May 07 2021 Automatic Build System <autodist@mambasoft.it> 4.5.13-1mamba
+- automatic version update by autodist
+
 * Sat Feb 29 2020 Automatic Build System <autodist@mambasoft.it> 4.3.1-1mamba
 - automatic version update by autodist