diff --git a/.gitignore b/.gitignore
index f7c48bf..b8c65d8 100644
--- a/.gitignore
+++ b/.gitignore
@@ -18,3 +18,4 @@ noarch/
 /mstflint-3.0-0.6.g6961daa.tar.gz
 /mstflint-4.1.0-1.46.gb1cdaf7.tar.gz
 /mstflint-4.1.0/
+/mstflint-4.3.0-1.49.g9b9af70.tar.gz
diff --git a/mstflint.spec b/mstflint.spec
index 0caf203..3c471b8 100644
--- a/mstflint.spec
+++ b/mstflint.spec
@@ -1,12 +1,14 @@
 Name:		mstflint
 Summary:	Mellanox firmware burning tool
-Version:	4.1.0
-Release:	0.47.gb1cdaf7.1%{?dist}
+Version:	4.3.0
+Release:	1.49.g9b9af70.1%{?dist}
 License:	GPLv2+ or BSD
 Group:		Applications/System
-Source:		https://www.openfabrics.org/downloads/%{name}/%{name}-%{version}-1.46.gb1cdaf7.tar.gz
+Source:		https://www.openfabrics.org/downloads/%{name}/%{name}-%{version}-1.49.g9b9af70.tar.gz
 Url:		https://www.openfabrics.org
-BuildRequires:	libstdc++-devel, zlib-devel, libibmad-devel
+BuildRequires:	libstdc++-devel
+BuildRequires:	zlib-devel
+BuildRequires:	libibmad-devel >= 1.3.12
 Obsoletes:	openib-mstflint <= 1.4 openib-tvflash <= 0.9.2 tvflash <= 0.9.0
 ExcludeArch:	s390  %{arm}
 
@@ -16,9 +18,12 @@ It also provides access to the relevant source code.
 
 %prep
 %setup -q
+find . -type f -iname '*.[ch]' -exec chmod a-x '{}' ';'
+find . -type f -iname '*.cpp' -exec chmod a-x '{}' ';'
 
 %build
 export CFLAGS="$RPM_OPT_FLAGS"
+export CXXFLAGS="$RPM_OPT_FLAGS -std=gnu++98 -Wno-c++11-compat"
 %configure
 make
 
@@ -34,6 +39,9 @@ rm -fr %{buildroot}%{_libdir}
 %_bindir/*
 
 %changelog
+* Fri Apr  8 2016 Honggang Li <honli@redhat.com> - 4.3.0-1.49.g9b9af70.1
+- Rebase to latest upstream version 4.3.0-1.49.g9b9af70.
+
 * Thu Feb 04 2016 Fedora Release Engineering <releng@fedoraproject.org> - 4.1.0-0.47.gb1cdaf7.1
 - Rebuilt for https://fedoraproject.org/wiki/Fedora_24_Mass_Rebuild
 
diff --git a/sources b/sources
index 9b28586..f6442a0 100644
--- a/sources
+++ b/sources
@@ -1 +1 @@
-030179e989e09562320e11511648f4e7  mstflint-4.1.0-1.46.gb1cdaf7.tar.gz
+65d0de5cacccf9ae76d3c1d650fe875b  mstflint-4.3.0-1.49.g9b9af70.tar.gz