diff --git a/glibc.spec b/glibc.spec
index 748d677..05d67ee 100644
--- a/glibc.spec
+++ b/glibc.spec
@@ -79,7 +79,7 @@
 Summary: The GNU libc libraries
 Name: glibc
 Version: %{glibcversion}
-Release: %{glibcrelease}
+Release: %{glibcrelease}.1
 # GPLv2+ is used in a bunch of programs, LGPLv2+ is used for libraries.
 # Things that are linked directly into dynamically linked programs
 # and shared libraries (e.g. crt files, lib*_nonshared.a) have an additional
@@ -1639,6 +1639,9 @@ rm -f *.filelist*
 %endif
 
 %changelog
+* Sat Jun 07 2014 Fedora Release Engineering <rel-eng@lists.fedoraproject.org> - 2.19.90-19.1
+- Rebuilt for https://fedoraproject.org/wiki/Fedora_21_Mass_Rebuild
+
 * Tue Jun 03 2014 Siddhesh Poyarekar <siddhesh@redhat.com> - 2.19.90-19
 - Sync with upstream master.