diff --git a/python-simpy.spec b/python-simpy.spec
index f4fd153..937714b 100644
--- a/python-simpy.spec
+++ b/python-simpy.spec
@@ -1,6 +1,6 @@
 Name:		python-simpy
 Version:	2.3.1
-Release:	1%{?dist}
+Release:	2%{?dist}
 Summary:	Python simulation framework
 Group:		Development/Languages
 License:	LGPLv2+
@@ -68,6 +68,9 @@ rm -rf $RPM_BUILD_ROOT
 
 
 %changelog
+* Sat Jul 21 2012 Fedora Release Engineering <rel-eng@lists.fedoraproject.org> - 2.3.1-2
+- Rebuilt for https://fedoraproject.org/wiki/Fedora_18_Mass_Rebuild
+
 * Thu Mar 22 2012 Sarantis Paskalis - 2.3.1-1
 - Upgrade to 2.3.1