diff --git a/.github/workflows/Helpers.psm1 b/.github/workflows/Helpers.psm1
index 4bb2647..0b3eee2 100644
--- a/.github/workflows/Helpers.psm1
+++ b/.github/workflows/Helpers.psm1
@@ -7,7 +7,7 @@ function New-TestVM {
         [Parameter()]
         [string]$Name = "qsg-$((New-Guid).ToString() -replace '-' -replace '^(.{11}).+$', '$1')",
 
-        [ValidateSet("Win2022AzureEditionCore", "Win2019Datacenter")]
+        [ValidateSet("Win2022AzureEditionCore", "2025-datacenter-azure-edition-core")]
         [string]$Image = "Win2022AzureEditionCore",
 
         [ArgumentCompleter({
diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 2d28ad2..7fe2be5 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -14,7 +14,7 @@ on:
 
       images:
         description: The Azure images to test on.
-        default: Win2022AzureEditionCore, Win2019Datacenter
+        default: Win2022AzureEditionCore, 2025-datacenter-azure-edition-core
         type: string
 
       variants:
@@ -64,7 +64,7 @@ jobs:
               $Trigger = Invoke-RestMethod "$GitHubApi/repos/${{ github.repository }}/collaborators/${{ github.actor }}/permission" @AuthHeaders
 
               if ($Trigger.Permission -in @("admin", "write")) {
-                $Images = "Win2022AzureEditionCore", "Win2019Datacenter"
+                $Images = "Win2022AzureEditionCore", "2025-datacenter-azure-edition-core"
                 $Variants = "self-signed", "single", "wildcard"
               } else {
                 Write-Error "Action was triggered by '${{ github.actor }}', who has '$TriggerPermission': Cancelling build."