diff --git a/ChangeLog b/ChangeLog
index efa8d39391..c66253944c 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,8 @@
+2018-04-25  Joseph Myers  <joseph@codesourcery.com>
+
+	* scripts/build-many-glibcs.py (Context.checkout): Default GCC
+	version to GCC 8 branch.
+
 2018-04-24  Joseph Myers  <joseph@codesourcery.com>
 
 	* sysdeps/mach/hurd/dl-sysdep.c: Include <not-errno.h>.
diff --git a/scripts/build-many-glibcs.py b/scripts/build-many-glibcs.py
index 1ab283f190..f911b2046a 100755
--- a/scripts/build-many-glibcs.py
+++ b/scripts/build-many-glibcs.py
@@ -714,7 +714,7 @@ class Context(object):
     def checkout(self, versions):
         """Check out the desired component versions."""
         default_versions = {'binutils': 'vcs-2.30',
-                            'gcc': 'vcs-7',
+                            'gcc': 'vcs-8',
                             'glibc': 'vcs-mainline',
                             'gmp': '6.1.2',
                             'linux': '4.16',