diff -r a1538c05d855 -r ae28d37f5969 contrib/automation/hgautomation/aws.py
--- a/contrib/automation/hgautomation/aws.py	Tue Feb 15 15:52:44 2022 +0100
+++ b/contrib/automation/hgautomation/aws.py	Thu Aug 26 17:47:50 2021 -0700
@@ -1157,7 +1157,7 @@
         ],
         'ImageId': image.id,
         'InstanceInitiatedShutdownBehavior': 'stop',
-        'InstanceType': 't3.medium',
+        'InstanceType': 'm6i.large',
         'KeyName': '%sautomation' % prefix,
         'MaxCount': 1,
         'MinCount': 1,