diff --git a/.gitignore b/.gitignore
index eb9c53a..1bf2a8a 100644
--- a/.gitignore
+++ b/.gitignore
@@ -4,3 +4,5 @@ manual-4.0.pdf
 /gromacs-4.5.1.tar.gz
 /gromacs-4.5.2.tar.gz
 /gromacs-4.5.3.tar.gz
+/gromacs-4.5.4.tar.gz
+/manual-4.5.4.pdf
diff --git a/gromacs.spec b/gromacs.spec
index d3ba077..af2f684 100644
--- a/gromacs.spec
+++ b/gromacs.spec
@@ -6,7 +6,7 @@
 
 Name:		gromacs
 Version:	4.5.4
-Release:	1%{?dist}
+Release:	2%{?dist}
 Summary:	Fast, Free and Flexible Molecular Dynamics
 Group:		Applications/Engineering
 License:	GPLv2+
@@ -598,6 +598,9 @@ rm -rf %{buildroot}
 
 
 %changelog
+* Wed Mar 30 2011 Deji Akingunola <dakingun@gmail.com> - 4.5.4-2
+- Rebuild for mpich2 soname bump
+
 * Wed Mar 23 2011 Jussi Lehtola <jussilehtola@fedoraproject.org> - 4.5.4-1
 - Update to 4.5.4.