diff --git a/ginac.spec b/ginac.spec
index 65ada98..41f5418 100644
--- a/ginac.spec
+++ b/ginac.spec
@@ -5,7 +5,7 @@
 Name:             ginac
 Version:          1.6.3
 #Release:          10.%{gitdate}git%{gitrev}%{?dist}
-Release:          2%{?dist}
+Release:          3%{?dist}
 Summary:          C++ library for symbolic calculations
 License:          GPLv2+
 URL:              http://www.ginac.de/
@@ -110,6 +110,9 @@ fi
 %{_bindir}/*
 
 %changelog
+* Wed Jun 17 2015 Fedora Release Engineering <rel-eng@lists.fedoraproject.org> - 1.6.3-3
+- Rebuilt for https://fedoraproject.org/wiki/Fedora_23_Mass_Rebuild
+
 * Sat May 02 2015 Kalev Lember <kalevlember@gmail.com> - 1.6.3-2
 - Rebuilt for GCC 5 C++11 ABI change