diff --git a/build/Helix/OutputTestResults.ps1 b/build/Helix/OutputTestResults.ps1
index eee4c5baece..a23b456afe8 100644
--- a/build/Helix/OutputTestResults.ps1
+++ b/build/Helix/OutputTestResults.ps1
@@ -31,7 +31,7 @@ $totalTestsExecutedCount = 0
 
 # We assume that we only have one testRun with a given name that we care about
 # We only process the last testRun with a given name (based on completedDate)
-# The name of a testRun is set to the Helix queue that it was run on (e.g. windows.10.amd64.client19h1.xaml)
+# The name of a testRun is set to the Helix queue that it was run on (e.g. windows.10.amd64.client21h1.xaml)
 # If we have multiple test runs on the same queue that we care about, we will need to re-visit this logic
 foreach ($testRun in ($testRuns.value | Sort-Object -Property "completedDate" -Descending))
 {
diff --git a/build/pipelines/templates/helix-runtests-job.yml b/build/pipelines/templates/helix-runtests-job.yml
index 4c275bfc8a0..853125d709a 100644
--- a/build/pipelines/templates/helix-runtests-job.yml
+++ b/build/pipelines/templates/helix-runtests-job.yml
@@ -14,8 +14,8 @@ parameters:
   platform: ''
   # if 'useBuildOutputFromBuildId' is set, we will default to using a build from this pipeline:
   useBuildOutputFromPipeline: $(System.DefinitionId)
-  openHelixTargetQueues: 'windows.10.amd64.client19h1.open.xaml'
-  closedHelixTargetQueues: 'windows.10.amd64.client19h1.xaml'
+  openHelixTargetQueues: 'windows.10.amd64.client21h1.open.xaml'
+  closedHelixTargetQueues: 'windows.10.amd64.client21h1.xaml'
 
 jobs:
 - job: ${{ parameters.name }}