diff --git a/jai-imageio-core.spec b/jai-imageio-core.spec
index f9a9132..5b9a61c 100644
--- a/jai-imageio-core.spec
+++ b/jai-imageio-core.spec
@@ -2,7 +2,7 @@
 
 Name:		jai-imageio-core
 Version:	1.2
-Release:	0.20.%{cvs_ver}cvs%{?dist}
+Release:	0.21.%{cvs_ver}cvs%{?dist}
 Summary:	Core Java Advanced Imaging Image I/O Tools API
 
 License:	BSD
@@ -92,6 +92,9 @@ ant -DBUILD_TARGET=linux-i586 jar-opt docs-jcp
 
 
 %changelog
+* Wed Jul 26 2017 Fedora Release Engineering <releng@fedoraproject.org> - 1.2-0.21.20100217cvs
+- Rebuilt for https://fedoraproject.org/wiki/Fedora_27_Mass_Rebuild
+
 * Mon Jul 03 2017 Michael Simacek <msimacek@redhat.com> - 1.2-0.20.20100217cvs
 - Install with XMvn