diff --git a/.gitignore b/.gitignore
index c7343f2..1ced492 100644
--- a/.gitignore
+++ b/.gitignore
@@ -8,3 +8,4 @@
 /iperf-3.0.6.tar.gz
 /iperf-3.0.10.tar.gz
 /iperf-3.0.11.tar.gz
+/iperf-3.1b3.tar.gz
diff --git a/iperf3.spec b/iperf3.spec
index 8d7ed75..1457e82 100644
--- a/iperf3.spec
+++ b/iperf3.spec
@@ -1,6 +1,6 @@
 Name:           iperf3
-Version:        3.0.11
-Release:        2%{?dist}
+Version:        3.1b3
+Release:        1%{?dist}
 Summary:        Measurement tool for TCP/UDP bandwidth performance
 
 Group:          Applications/Internet
@@ -29,6 +29,8 @@ developing applications that use %{name}.
 
 %build
 %configure --disable-static
+sed -i 's|^hardcode_libdir_flag_spec=.*|hardcode_libdir_flag_spec=""|g' libtool
+sed -i 's|^runpath_var=LD_RUN_PATH|runpath_var=DIE_RPATH_DIE|g' libtool
 make %{?_smp_mflags}
 
 %install
@@ -42,7 +44,7 @@ rm -rf $RPM_BUILD_ROOT
 
 %files
 %defattr(-,root,root,-)
-%doc AUTHORS README.md LICENSE RELEASE_NOTES
+%doc README.md LICENSE RELEASE_NOTES
 %{_mandir}/man1/iperf3.1.gz
 %{_mandir}/man3/libiperf.3.gz
 %{_bindir}/iperf3
@@ -57,6 +59,9 @@ rm -rf $RPM_BUILD_ROOT
 %{_libdir}/*.so
 
 %changelog
+* Thu Oct 08 2015 Susant Sahani <ssahani@gmail.com> 3.1b3
+- Update to 3.1b3
+
 * Wed Jun 17 2015 Fedora Release Engineering <rel-eng@lists.fedoraproject.org> - 3.0.11-2
 - Rebuilt for https://fedoraproject.org/wiki/Fedora_23_Mass_Rebuild
 
diff --git a/sources b/sources
index fe367c1..fb7e9c8 100644
--- a/sources
+++ b/sources
@@ -1 +1 @@
-a3b2bed7961ba184566df3c3d47f96a6  iperf-3.0.11.tar.gz
+6cd76612f5cb903655c79b79b366e9e9  iperf-3.1b3.tar.gz