diff --git a/glibc.spec b/glibc.spec
index 2cb3145..052608c 100644
--- a/glibc.spec
+++ b/glibc.spec
@@ -1,6 +1,6 @@
-%define glibcsrcdir glibc-2.27.9000-309-g583a27d525
+%define glibcsrcdir glibc-2.27.9000-326-g0085be1415
 %define glibcversion 2.27.9000
-%define glibcrelease 14%{?dist}
+%define glibcrelease 15%{?dist}
 # Pre-release tarballs are pulled in from git using a command that is
 # effectively:
 #
@@ -1845,6 +1845,10 @@ fi
 %endif
 
 %changelog
+* Thu Apr 19 2018 Florian Weimer <fweimer@redhat.com> - 2.27.9000-15
+- Auto-sync with upstream branch master,
+  commit 0085be1415a38b40a5a1a12e49368498f1687380.
+
 * Mon Apr 09 2018 Florian Weimer <fweimer@redhat.com> - 2.27.9000-14
 - Auto-sync with upstream branch master,
   commit 583a27d525ae189bdfaa6784021b92a9a1dae12e.
diff --git a/sources b/sources
index 9cd7455..9feb628 100644
--- a/sources
+++ b/sources
@@ -1 +1 @@
-SHA512 (glibc-2.27.9000-309-g583a27d525.tar.gz) = ee3f60efa97b9e87ce1c60a1903264594569bf458a194f3017c95a46c77ac5e3b6bd88fcd30bd1835e5c3b9676f22ffdaf265be29c5c73606c73714e2546ca71
+SHA512 (glibc-2.27.9000-326-g0085be1415.tar.gz) = 6723197921f3b04e2dfccc80b9373580a3f1e65c87ba250d26f6e93a1f2ede931402b1f6d78d84b834d730f3edd9cf166ad4409b05f0ed4da9c5d68ee1aafd42