diff --git a/cgnslib.spec b/cgnslib.spec
index 77d2b9c..a66ec37 100644
--- a/cgnslib.spec
+++ b/cgnslib.spec
@@ -3,7 +3,7 @@
 
 Name:           cgnslib
 Version:        2.5
-Release:        6.r2%{?dist}
+Release:        7.r2%{?dist}
 Summary:        Computational Fluid Dynamics General Notation System
 
 Group:          Development/Libraries
@@ -21,7 +21,7 @@ BuildRequires:  hdf5-devel >= 1.8
 BuildRequires:  zlib-devel
 BuildRequires:  gcc-gfortran
 BuildRequires:  chrpath
-Requires:       hdf5
+Requires:       hdf5 = %{_hdf5_version}
 
 %description
 The Computational Fluid Dynamics General Notation System (CGNS) provides 
@@ -113,6 +113,10 @@ cd tests
 %{_libdir}/libcgns.so
 
 %changelog
+* Tue May 15 2012 Orion Poplawski <orion@cora.nwra.com> - 2.5-7.rc2
+- Rebuild for hdf5
+- Explicitly require version of hdf5 built with
+
 * Thu Jan 12 2012 Fedora Release Engineering <rel-eng@lists.fedoraproject.org> - 2.5-6.r2
 - Rebuilt for https://fedoraproject.org/wiki/Fedora_17_Mass_Rebuild