diff --git a/waf.spec b/waf.spec
index c21fa9d..76236df 100644
--- a/waf.spec
+++ b/waf.spec
@@ -27,7 +27,7 @@
 
 Name:           waf
 Version:        1.9.12
-Release:        %{?prerel:0.}1%{?prerel:.%prerel}%{?dist}
+Release:        %{?prerel:0.}1%{?prerel:.%prerel}%{?dist}.1
 Summary:        A Python-based build system
 Group:          Development/Tools
 # The entire source code is BSD apart from pproc.py (taken from Python 2.5)
@@ -258,6 +258,9 @@ rm -f docs/sphinx/build/html/.buildinfo
 
 
 %changelog
+* Thu Jul 27 2017 Fedora Release Engineering <releng@fedoraproject.org> - 1.9.12-1.1
+- Rebuilt for https://fedoraproject.org/wiki/Fedora_27_Mass_Rebuild
+
 * Sun Jun  4 2017 Thomas Moschny <thomas.moschny@gmx.de> - 1.9.12-1
 - Update to 1.9.12.