diff --git a/orsa.spec b/orsa.spec
index ec90a6c..8c4c41f 100644
--- a/orsa.spec
+++ b/orsa.spec
@@ -3,7 +3,7 @@
 
 Name:			orsa
 Version:		0.7.0
-Release:		19%{?dist}
+Release:		20%{?dist}
 Summary:		Orbit Reconstruction, Simulation and Analysis
 
 Group:			Amusements/Graphics
@@ -235,6 +235,9 @@ rm -rf $RPM_BUILD_ROOT
 %doc COPYING DEVELOPERS ORSA_MPI
 
 %changelog
+* Tue Feb 28 2012 Fedora Release Engineering <rel-eng@lists.fedoraproject.org> - 0.7.0-20
+- Rebuilt for c++ ABI breakage
+
 * Tue Jan 24 2012 Orion Poplawski <orion@cora.nwra.com> - 0.7.0-19
 - Rebuild for ginac 1.6.2 soname bump