diff --git a/glibc.spec b/glibc.spec
index 71596ae..56ec40f 100644
--- a/glibc.spec
+++ b/glibc.spec
@@ -1,6 +1,6 @@
-%define glibcsrcdir glibc-2.27.9000-188-gda6d4404ec
+%define glibcsrcdir glibc-2.27.9000-191-g7108f1f944
 %define glibcversion 2.27.9000
-%define glibcrelease 9%{?dist}
+%define glibcrelease 10%{?dist}
 # Pre-release tarballs are pulled in from git using a command that is
 # effectively:
 #
@@ -1930,6 +1930,10 @@ fi
 %endif
 
 %changelog
+* Wed Mar 14 2018 Florian Weimer <fweimer@redhat.com> - 2.27.9000-10
+- Auto-sync with upstream branch master,
+  commit 7108f1f944792ac68332967015d5e6418c5ccc88.
+
 * Mon Mar 12 2018 Florian Weimer <fweimer@redhat.com> - 2.27.9000-9
 - Auto-sync with upstream branch master,
   commit da6d4404ecfd7eacba8c096b0761a5758a59da4b.
diff --git a/sources b/sources
index 1a5d96f..e77f114 100644
--- a/sources
+++ b/sources
@@ -1 +1 @@
-SHA512 (glibc-2.27.9000-188-gda6d4404ec.tar.gz) = 88ca1f3699eed054887aff6eb5a77685db05b8082e7980632de66672d4ad9dd8e5a1a7389698c84d7b3c60477ee4b88c2e67df4784980d6e58566fbe0663363f
+SHA512 (glibc-2.27.9000-191-g7108f1f944.tar.gz) = e12a2347f8346a316aebcd189e965bbdcc4f79adcc3ec1761acf32635128fb071df6b5d7b52f0a9a493e1eb2e8bd6899e02af584be58a4b7c242fc917374a617