diff --git a/simcrs.spec b/simcrs.spec
index 68c86ce..3c6d72a 100644
--- a/simcrs.spec
+++ b/simcrs.spec
@@ -3,7 +3,7 @@
 #
 Name:           simcrs
 Version:        1.01.1
-Release:        11%{?dist}
+Release:        12%{?dist}
 
 Summary:        C++ Simulated Travel-Oriented Distribution System library
 
@@ -125,6 +125,9 @@ rm -rf $RPM_BUILD_ROOT
 
 
 %changelog
+* Thu Jul 27 2017 Fedora Release Engineering <releng@fedoraproject.org> - 1.01.1-12
+- Rebuilt for https://fedoraproject.org/wiki/Fedora_27_Mass_Rebuild
+
 * Mon Jul 24 2017 Björn Esser <besser82@fedoraproject.org> - 1.01.1-11
 - Rebuilt for Boost 1.64