diff --git a/InsightToolkit.spec b/InsightToolkit.spec
index 1efc596..914eb92 100644
--- a/InsightToolkit.spec
+++ b/InsightToolkit.spec
@@ -10,7 +10,7 @@
 Name:           InsightToolkit
 Summary:        Insight Toolkit library for medical image processing
 Version:        %{_ver_major}.%{_ver_minor}.%{_ver_release}
-Release:        11%{?dist}
+Release:        12%{?dist}
 License:        ASL 2.0 
 Group:          Applications/Engineering
 Source0:        http://sourceforge.net/projects/itk/files/itk/%{_ver_major}.%{_ver_minor}/%{name}-%{version}.tar.gz
@@ -188,6 +188,9 @@ make test -C %{_target_platform} || exit 0
 
 
 %changelog
+* Thu May 16 2013 Orion Poplawski <orion@cora.nwra.com> - 4.3.1-12
+- Rebuild for hdf5 1.8.11
+
 * Fri May 2 2013 Mario Ceresa mrceresa fedoraproject org InsightToolkit 4.3.1-11
 * Rebuilt for gdcm 2.3.2