diff --git a/boost.spec b/boost.spec
index 185fa14..d978f43 100644
--- a/boost.spec
+++ b/boost.spec
@@ -32,7 +32,7 @@ Name: boost
 Summary: The free peer-reviewed portable C++ source libraries
 Version: 1.57.0
 %define version_enc 1_57_0
-Release: 5%{?dist}
+Release: 6%{?dist}
 License: Boost and MIT and Python
 
 %define toplev_dirname %{name}_%{version_enc}
@@ -1244,6 +1244,9 @@ rm -rf $RPM_BUILD_ROOT
 %{_mandir}/man1/bjam.1*
 
 %changelog
+* Sun May  3 2015 Zbigniew Jędrzejewski-Szmek <zbyszek@in.waw.pl> - 1.57.0-6
+- Rebuild for changed mpich
+
 * Mon Mar 16 2015 Than Ngo <than@redhat.com> 1.57.0-5
 - rebuild against new gcc