diff --git a/glibc.spec b/glibc.spec
index 8ec2007..5a53112 100644
--- a/glibc.spec
+++ b/glibc.spec
@@ -1,6 +1,6 @@
-%define glibcsrcdir  glibc-2.26-156-ga8410a5fc9
+%define glibcsrcdir  glibc-2.26-159-g80f91666fe
 %define glibcversion 2.26.90
-%define glibcrelease 8%{?dist}
+%define glibcrelease 9%{?dist}
 # Pre-release tarballs are pulled in from git using a command that is
 # effectively:
 #
@@ -2085,6 +2085,10 @@ fi
 %endif
 
 %changelog
+* Tue Aug 22 2017 Florian Weimer <fweimer@redhat.com> - 2.26.90-9
+- Auto-sync with upstream master,
+  commit 80f91666fed71fa3dd5eb5618739147cc731bc89.
+
 * Mon Aug 21 2017 Florian Weimer <fweimer@redhat.com> - 2.26.90-8
 - Auto-sync with upstream master,
   commit a8410a5fc9305c316633a5a3033f3927b759be35:
diff --git a/sources b/sources
index bb252ff..375c390 100644
--- a/sources
+++ b/sources
@@ -1 +1 @@
-SHA512 (glibc-2.26-156-ga8410a5fc9.tar.gz) = c8bd0f411fe2489989f93fa60744cd543af14c2cbe864777cbcf0afbc495ffcd6fe26bbe99c08cfe21891499dcd7c024ba21b34e84607a633fbc06c806f8d317
+SHA512 (glibc-2.26-159-g80f91666fe.tar.gz) = 6bf4aa031cd8a9497274280f24ee500db3e1fdceb802e1098c4a21a5032534156c8a70d531a22c1bc1709086fda0c3dd87221144dedb5bcb75391ba67a5fd05d