diff --git a/stp.spec b/stp.spec
index b9974f8..99d123a 100644
--- a/stp.spec
+++ b/stp.spec
@@ -7,7 +7,7 @@
 
 Name:		stp
 Version:	0.1
-Release:	27.%{gitdate}git.%{shorttag}%{?dist}
+Release:	28.%{gitdate}git.%{shorttag}%{?dist}
 Summary:	Constraint solver/decision procedure
 
 Group:		Applications/Engineering
@@ -92,6 +92,9 @@ fi
 %{_libdir}/cmake/STP/
 
 %changelog
+* Fri Jun 19 2015 Fedora Release Engineering <rel-eng@lists.fedoraproject.org> - 0.1-28.20140619git.44de620
+- Rebuilt for https://fedoraproject.org/wiki/Fedora_23_Mass_Rebuild
+
 * Sat May 02 2015 Kalev Lember <kalevlember@gmail.com> - 0.1-27.20140619git.44de620
 - Rebuilt for GCC 5 C++11 ABI change