diff --git a/glibc.spec b/glibc.spec
index 9e6c069..e7659f3 100644
--- a/glibc.spec
+++ b/glibc.spec
@@ -1,6 +1,6 @@
-%define glibcsrcdir glibc-2.28.9000-198-g72771e5375
+%define glibcsrcdir glibc-2.28.9000-213-ga27a4f4721
 %define glibcversion 2.28.9000
-%define glibcrelease 9%{?dist}
+%define glibcrelease 10%{?dist}
 # Pre-release tarballs are pulled in from git using a command that is
 # effectively:
 #
@@ -1899,6 +1899,10 @@ fi
 %files -f compat-libpthread-nonshared.filelist -n compat-libpthread-nonshared
 
 %changelog
+* Wed Oct 24 2018 Florian Weimer <fweimer@redhat.com> - 2.28.9000-10
+- Auto-sync with upstream branch master,
+  commit a27a4f4721837a5fb36ace833764b06a64c5af1c.
+
 * Thu Oct 18 2018 Florian Weimer <fweimer@redhat.com> - 2.28.9000-9
 - Auto-sync with upstream branch master,
   commit 72771e53753647111d31c5c4bf43d8901e6baf7e.
diff --git a/sources b/sources
index dd2662c..8dac2ec 100644
--- a/sources
+++ b/sources
@@ -1 +1 @@
-SHA512 (glibc-2.28.9000-198-g72771e5375.tar.xz) = 4f72be0d0124cd6ef545b22ec30181b4ccee4c5fba9504bae2849f4bccdf6631a0d8f75fae97f9b042e80264530c74d9bdbd1695a49950c6a029b91bfe60e828
+SHA512 (glibc-2.28.9000-213-ga27a4f4721.tar.xz) = cb8b1208f43ba2102e2c023405575e1c78f0b45830f90fb002a31d191237123f847535e9017937e5f8ec13803a4faea2eea0287c7c33125b4bac8e3f53c91e75