diff --git a/stp.spec b/stp.spec
index bcfc1f8..b812266 100644
--- a/stp.spec
+++ b/stp.spec
@@ -7,7 +7,7 @@
 
 Name:		stp
 Version:	2.1.2
-Release:	11.%{gitdate}git.%{shorttag}%{?dist}
+Release:	12.%{gitdate}git.%{shorttag}%{?dist}
 Summary:	Constraint solver/decision procedure
 
 License:	MIT
@@ -103,6 +103,9 @@ make install DESTDIR=%{buildroot}
 %{python2_sitelib}/%{name}/
 
 %changelog
+* Fri Feb 09 2018 Fedora Release Engineering <releng@fedoraproject.org> - 2.1.2-12.20171116git.b67aa83
+- Rebuilt for https://fedoraproject.org/wiki/Fedora_28_Mass_Rebuild
+
 * Tue Jan 23 2018 Jonathan Wakely <jwakely@redhat.com> - 2.1.2-11.20171116git.b67aa83
 - Rebuilt for Boost 1.66