diff --git a/simspark.spec b/simspark.spec
index fdc62fb..d516bff 100644
--- a/simspark.spec
+++ b/simspark.spec
@@ -1,6 +1,6 @@
 Name:           simspark
 Version:        0.2.4
-Release:        11%{?dist}
+Release:        12%{?dist}
 Summary:        Spark physical simulation system
 
 Group:          Development/Libraries
@@ -75,6 +75,9 @@ rm -rf %{buildroot}/%{_datadir}/doc
 %doc doc/devel/howtos doc/devel/manual.pdf
 
 %changelog
+* Sat May 02 2015 Kalev Lember <kalevlember@gmail.com> - 0.2.4-12
+- Rebuilt for GCC 5 C++11 ABI change
+
 * Tue Jan 27 2015 Petr Machata <pmachata@redhat.com> - 0.2.4-11
 - Rebuild for boost 1.57.0