diff --git a/mathgl.spec b/mathgl.spec
index c5b6d6b..4aa1c2c 100644
--- a/mathgl.spec
+++ b/mathgl.spec
@@ -4,7 +4,7 @@
 
 Name:          mathgl
 Version:       2.2.1
-Release:       3%{?dist}
+Release:       4%{?dist}
 Summary:       Cross-platform library for making high-quality scientific graphics
 Summary(de):   Plattformübergreifende Bibliothek für hochwertige wissenschaftliche Graphiken
 Summary(ru):   Библиотека для осуществления высококачественной визуализации данных
@@ -369,6 +369,9 @@ fi
 %{_includedir}/mpich-%{_arch}/mgl2/
 
 %changelog
+* Sat Feb 22 2014 Deji Akingunola <dakingun@gmail.com> - 2.2.1-4
+- Rebuild for mpich-3.1
+
 * Mon Feb 17 2014 Dan Horák <dan[at]danny.cz> - 2.2.1-3
 - Conditionalize openmpi support, fixes build on s390(x)