diff --git a/iperf.spec b/iperf.spec
index a4c07a3..1a49429 100644
--- a/iperf.spec
+++ b/iperf.spec
@@ -1,5 +1,5 @@
 Name:          iperf
-Version:       2.0.5
+Version:       2.0.9
 Release:       1mamba
 Summary:       a tool to measure maximum TCP bandwidth, allowing the tuning of various parameters and UDP characteristics.
 Group:         Network/Monitoring
@@ -7,16 +7,19 @@ Vendor:        openmamba
 Distribution:  openmamba
 Packager:      Silvan Calarco <silvan.calarco@mambasoft.it>
 URL:           http://iperf.sourceforge.net
-Source:        http://mesh.dl.sourceforge.net/sourceforge/iperf/iperf-%{version}.tar.gz
+Source:        http://downloads.sourceforge.net/project/iperf2/iperf-%{version}.tar.gz
 License:       GPL
+## AUTOBUILDREQ-BEGIN
+BuildRequires: glibc-devel
+BuildRequires: libgcc
+BuildRequires: libstdc++6-devel
+## AUTOBUILDREQ-END
 BuildRoot:     %{_tmppath}/%{name}-%{version}-root
 
 %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. 
 
 %prep
-[ "%{buildroot}" != / ] && rm -rf "%{buildroot}"
-
 %setup -q 
 
 %build
@@ -39,6 +42,9 @@ Iperf is a tool to measure maximum TCP bandwidth, allowing the tuning of various
 %{_mandir}/man1/iperf.1*
 
 %changelog
+* Thu Oct 13 2016 Silvan Calarco <silvan.calarco@mambasoft.it> 2.0.9-1mamba
+- update to 2.0.9
+
 * Sat Jul 10 2010 Automatic Build System <autodist@mambasoft.it> 2.0.5-1mamba
 - automatic update by autodist