diff --git a/libmhgui-0.2-libpng-1.6.patch b/libmhgui-0.2-libpng-1.6.patch
new file mode 100644
index 0000000..01a7b77
--- /dev/null
+++ b/libmhgui-0.2-libpng-1.6.patch
@@ -0,0 +1,11 @@
+diff -up mhgui-0.2/include/mhgui/ImageData.h.png15 mhgui-0.2/include/mhgui/ImageData.h
+--- mhgui-0.2/include/mhgui/ImageData.h.png15	2007-12-12 22:07:20.000000000 +0100
++++ mhgui-0.2/include/mhgui/ImageData.h	2012-01-21 15:10:13.179933285 +0100
+@@ -67,7 +67,7 @@ class ImageData
+ private:
+   char         *image_data; /* raw png image data */
+   char         *end_bufferPtr;
+-  unsigned long width, height;
++  png_uint_32   width, height;
+   unsigned int  bytesPerRow;
+   bool          alpha;
\ No newline at end of file
diff --git a/libmhgui.spec b/libmhgui.spec
index 1b94ce4..3e09e42 100644
--- a/libmhgui.spec
+++ b/libmhgui.spec
@@ -1,7 +1,7 @@
 ### AUTOUPDATE-OFF: 1
 Name:          libmhgui
 Version:       0.2
-Release:       1mamba
+Release:       2mamba
 Summary:       A graphical user interface library for makehuman
 Group:         System/Libraries
 Vendor:        openmamba
@@ -9,14 +9,24 @@ Distribution:  openmamba
 Packager:      Silvan Calarco <silvan.calarco@mambasoft.it>
 URL:           http://www.makehuman.org
 Source:        http://downloads.sourceforge.net/sourceforge/makehuman/mhgui-%{version}.tar.gz
+Patch0:        libmhgui-0.2-libpng-1.6.patch
 License:       LGPL
 BuildRoot:     %{_tmppath}/%{name}-%{version}-root
 ## AUTOBUILDREQ-BEGIN
-## AUTOBUILDREQ-END
-BuildRequires: libX11-devel
+BuildRequires: glibc-devel
 BuildRequires: libGL-devel
-BuildRequires: libpng-devel
+BuildRequires: libGLU-devel
 BuildRequires: libICE-devel
+BuildRequires: libSM-devel
+BuildRequires: libX11-devel
+BuildRequires: libXi-devel
+BuildRequires: libXmu-devel
+BuildRequires: libanimorph-devel
+BuildRequires: libfreeglut-devel
+BuildRequires: libgcc
+BuildRequires: libpng-devel
+BuildRequires: libstdc++6-devel
+## AUTOBUILDREQ-END
 
 %description
 A graphical user interface library for makehuman.
@@ -33,6 +43,7 @@ This package contains static libraries and header files need for development.
 
 %prep
 %setup -q -n mhgui-%{version}
+%patch0 -p1
 
 %build
 %configure
@@ -58,9 +69,12 @@ rm -rf %{buildroot}%{_prefix}/doc
 %{_libdir}/libmhgui.a
 %{_libdir}/libmhgui.la
 %{_libdir}/libmhgui.so
-%{_exec_prefix}/lib/pkgconfig/*.pc
+%{_libdir}/pkgconfig/*.pc
 
 %changelog
+* Sat May 09 2015 Silvan Calarco <silvan.calarco@mambasoft.it> 0.2-2mamba
+- rebuild with libpng 1.6
+
 * Sun Jun 07 2009 Silvan Calarco <silvan.calarco@mambasoft.it> 0.2-1mamba
 - update to 0.2