diff --git a/crrcsim.spec b/crrcsim.spec
index 40826f9..294983b 100644
--- a/crrcsim.spec
+++ b/crrcsim.spec
@@ -1,6 +1,6 @@
 Name:          crrcsim
 Version:       0.9.12
-Release:       11%{?dist}
+Release:       12%{?dist}
 Group:         Amusements/Games
 Summary:       Model-Airplane Flight Simulation Program
 License:       GPLv2
@@ -157,6 +157,9 @@ fi
 
 
 %changelog
+* Mon Feb 09 2015 Ralf Corsépius <corsepiu@fedoraproject.org> - 0.9.12-12
+- Rebuild for boost-1.57.
+
 * Sat Aug 16 2014 Fedora Release Engineering <rel-eng@lists.fedoraproject.org> - 0.9.12-11
 - Rebuilt for https://fedoraproject.org/wiki/Fedora_21_22_Mass_Rebuild