diff --git a/contrib/automation/hgautomation/aws.py b/contrib/automation/hgautomation/aws.py
index 92c8bae84e7abc7dfc5afc400fcb464ee04d7731_Y29udHJpYi9hdXRvbWF0aW9uL2hnYXV0b21hdGlvbi9hd3MucHk=..6952d42f915831d3cc17228ed98f309933bd3df9_Y29udHJpYi9hdXRvbWF0aW9uL2hnYXV0b21hdGlvbi9hd3MucHk= 100644
--- a/contrib/automation/hgautomation/aws.py
+++ b/contrib/automation/hgautomation/aws.py
@@ -821,10 +821,10 @@
         image = find_image(
             ec2resource,
             DEBIAN_ACCOUNT_ID,
-            'debian-stretch-hvm-x86_64-gp2-2019-02-19-26620',
+            'debian-stretch-hvm-x86_64-gp2-2019-09-08-17994',
         )
         ssh_username = 'admin'
     elif distro == 'ubuntu18.04':
         image = find_image(
             ec2resource,
             UBUNTU_ACCOUNT_ID,
@@ -825,13 +825,13 @@
         )
         ssh_username = 'admin'
     elif distro == 'ubuntu18.04':
         image = find_image(
             ec2resource,
             UBUNTU_ACCOUNT_ID,
-            'ubuntu/images/hvm-ssd/ubuntu-bionic-18.04-amd64-server-20190403',
+            'ubuntu/images/hvm-ssd/ubuntu-bionic-18.04-amd64-server-20190918',
         )
         ssh_username = 'ubuntu'
     elif distro == 'ubuntu19.04':
         image = find_image(
             ec2resource,
             UBUNTU_ACCOUNT_ID,
@@ -832,10 +832,10 @@
         )
         ssh_username = 'ubuntu'
     elif distro == 'ubuntu19.04':
         image = find_image(
             ec2resource,
             UBUNTU_ACCOUNT_ID,
-            'ubuntu/images/hvm-ssd/ubuntu-disco-19.04-amd64-server-20190417',
+            'ubuntu/images/hvm-ssd/ubuntu-disco-19.04-amd64-server-20190918',
         )
         ssh_username = 'ubuntu'
     else: