diff --git a/rmol.spec b/rmol.spec
index 13b9430..af30e6f 100644
--- a/rmol.spec
+++ b/rmol.spec
@@ -3,7 +3,7 @@
 #
 Name:           rmol
 Version:        1.00.0
-Release:        11%{?dist}
+Release:        12%{?dist}
 
 Summary:        C++ library of Revenue Management and Optimisation classes and functions
 
@@ -127,6 +127,9 @@ rm -rf $RPM_BUILD_ROOT
 
 
 %changelog
+* Sun May 03 2015 Kalev Lember <kalevlember@gmail.com> - 1.00.0-12
+- Rebuilt for GCC 5 C++11 ABI change
+
 * Thu Jan 29 2015 Petr Machata <pmachata@redhat.com> - 1.00.0-11
 - Rebuild for boost 1.57.0
 - Cmake should look for zmq.h, not zmq.hpp (stdair-1.00.1-cmake.patch)