diff --git a/glibc.spec b/glibc.spec
index 76a92eb..2a79dda 100644
--- a/glibc.spec
+++ b/glibc.spec
@@ -1,6 +1,6 @@
-%define glibcsrcdir  glibc-2.19-776-gf4c4021
+%define glibcsrcdir  glibc-2.19-836-gcc5fb30
 %define glibcversion 2.19.90
-%define glibcrelease 30%{?dist}
+%define glibcrelease 31%{?dist}
 # Pre-release tarballs are pulled in from git using a command that is
 # effectively:
 #
@@ -1657,6 +1657,9 @@ rm -f *.filelist*
 %endif
 
 %changelog
+* Mon Jul 28 2014 Siddhesh Poyarekar <siddhesh@redhat.com> - 2.19.90-31
+- Auto-sync with upstream master.
+
 * Wed Jul 23 2014 Siddhesh Poyarekar <siddhesh@redhat.com> - 2.19.90-30
 - Undo last master sync to fix up rawhide.
 
diff --git a/sources b/sources
index c7a88ec..e3545df 100644
--- a/sources
+++ b/sources
@@ -1 +1 @@
-06836d3d0b23aafa91e03bc8389ff5d3  glibc-2.19-776-gf4c4021.tar.gz
+676de4542846772a2b03fdd9c2e4ace6  glibc-2.19-836-gcc5fb30.tar.gz