diff -r 89ba81771fc9 -r 3e3fb15bfeea contrib/automation/hgautomation/aws.py
--- a/contrib/automation/hgautomation/aws.py	Sat Aug 03 16:03:11 2019 -0700
+++ b/contrib/automation/hgautomation/aws.py	Sat Aug 03 16:47:49 2019 -0700
@@ -970,7 +970,7 @@
             'DeviceName': image.block_device_mappings[0]['DeviceName'],
             'Ebs': {
                 'DeleteOnTermination': True,
-                'VolumeSize': 8,
+                'VolumeSize': 12,
                 'VolumeType': 'gp2',
             },
         }