diff --git a/iperf.spec b/iperf.spec
index e370b18..a4b6358 100644
--- a/iperf.spec
+++ b/iperf.spec
@@ -1,47 +1,81 @@
 Name:          iperf
-Version:       2.0.13
+Version:       3.10
 Release:       1mamba
 Summary:       a tool to measure maximum TCP bandwidth, allowing the tuning of various parameters and UDP characteristics.
 Group:         Network/Monitoring
 Vendor:        openmamba
 Distribution:  openmamba
 Packager:      Silvan Calarco <silvan.calarco@mambasoft.it>
-URL:           http://iperf.sourceforge.net
-Source:        http://downloads.sourceforge.net/project/iperf2/iperf-%{version}.tar.gz
+URL:           https://software.es.net/iperf/
+Source:        https://downloads.es.net/pub/iperf/iperf-%{version}.tar.gz
 License:       GPL
 ## AUTOBUILDREQ-BEGIN
 BuildRequires: glibc-devel
-BuildRequires: libgcc
-BuildRequires: libstdc++6-devel
+BuildRequires: libopenssl-devel
+BuildRequires: libsctp-devel
 ## AUTOBUILDREQ-END
-BuildRoot:     %{_tmppath}/%{name}-%{version}-root
+Requires:      lib%{name} = %{?epoch:%epoch:}%{version}-%{release}
 
 %description
 Iperf is a tool to measure maximum TCP bandwidth, allowing the tuning of various parameters and UDP characteristics. Iperf reports bandwidth, delay jitter, datagram loss. 
 
+%package -n lib%{name}
+Group:         System/Libraries
+Summary:       Shared libraries for %{name}
+
+%description -n lib%{name}
+This package contains shared libraries for %{name}.
+
+%package -n lib%{name}-devel
+Group:         Development/Libraries
+Summary:       Development files for %{name}
+Requires:      lib%{name} = %{?epoch:%epoch:}%{version}-%{release}
+
+%description -n lib%{name}-devel
+This package contains libraries and header files for developing applications that use %{name}.
+
+%debug_package
+
 %prep
-%setup -q 
+%setup -q
+./bootstrap.sh
 
 %build
 %configure
+
 %make
 
 %install
 %makeinstall
-#make install <<EOF
-#%{buildroot}%{_bindir}
-#EOF
 
 %clean
 [ "%{buildroot}" != / ] && rm -rf "%{buildroot}"
 
 %files
 %defattr(-,root,root)
-%doc README doc/*
-%{_bindir}/iperf
-%{_mandir}/man1/iperf.1*
+%{_bindir}/iperf3
+%{_mandir}/man1/iperf3.1*
+%{_mandir}/man3/libiperf.3*
+
+%files -n lib%{name}
+%defattr(-,root,root)
+%{_libdir}/libiperf.so.*
+%doc LICENSE
+
+%files -n lib%{name}-devel
+%defattr(-,root,root)
+%{_libdir}/libiperf.a
+%{_libdir}/libiperf.la
+%{_libdir}/libiperf.so
+%{_includedir}/iperf_api.h
 
 %changelog
+* Thu May 27 2021 Automatic Build System <autodist@mambasoft.it> 3.10-1mamba
+- automatic version update by autodist
+
+* Tue May 25 2021 Silvan Calarco <silvan.calarco@mambasoft.it> 3.9-1mamba
+- update to 3.9
+
 * Mon Jan 28 2019 Automatic Build System <autodist@mambasoft.it> 2.0.13-1mamba
 - automatic version update by autodist