diff --git a/gauche-gtk.spec b/gauche-gtk.spec
index 981a8a9..4c613b9 100644
--- a/gauche-gtk.spec
+++ b/gauche-gtk.spec
@@ -7,7 +7,7 @@
 Name:           gauche-gtk
 Epoch:          1
 Version:        0.6
-Release:        0.9.%{alphatag}%{?dist}
+Release:        0.10.%{alphatag}%{?dist}
 Summary:        Gauche extension module to use GTK
 
 %if 0%{?rhel}
@@ -109,6 +109,9 @@ rm -rf $RPM_BUILD_ROOT
 
 
 %changelog
+* Sat Jun 07 2014 Fedora Release Engineering <rel-eng@lists.fedoraproject.org> - 1:0.6-0.10.20120403gitf7d3f802f3750
+- Rebuilt for https://fedoraproject.org/wiki/Fedora_21_Mass_Rebuild
+
 * Sat Aug 03 2013 Fedora Release Engineering <rel-eng@lists.fedoraproject.org> - 1:0.6-0.9.20120403gitf7d3f802f3750
 - Rebuilt for https://fedoraproject.org/wiki/Fedora_20_Mass_Rebuild