diff --git a/eng/pipelines/coreclr/templates/helix-queues-setup.yml b/eng/pipelines/coreclr/templates/helix-queues-setup.yml
index 0c3151159daecd..5bdcd3be106673 100644
--- a/eng/pipelines/coreclr/templates/helix-queues-setup.yml
+++ b/eng/pipelines/coreclr/templates/helix-queues-setup.yml
@@ -29,7 +29,7 @@ jobs:
 
     # iOS/tvOS simulator x64/x86
     - ${{ if in(parameters.platform, 'iOSSimulator_x64', 'tvOSSimulator_x64') }}:
-      - OSX.1200.Amd64.Open
+      - OSX.1015.Amd64.Open
 
     # Android arm64
     - ${{ if in(parameters.platform, 'Android_arm64') }}:
diff --git a/eng/pipelines/libraries/helix-queues-setup.yml b/eng/pipelines/libraries/helix-queues-setup.yml
index 85e44f3b755871..c2673154eac6db 100644
--- a/eng/pipelines/libraries/helix-queues-setup.yml
+++ b/eng/pipelines/libraries/helix-queues-setup.yml
@@ -105,11 +105,11 @@ jobs:
 
     # iOS Simulator/Mac Catalyst arm64
     - ${{ if in(parameters.platform, 'MacCatalyst_arm64', 'iOSSimulator_arm64') }}:
-      - OSX.1200.ARM64.Open
+      - OSX.1015.ARM64.Open
 
     # iOS/tvOS simulator x64/x86 & MacCatalyst x64
     - ${{ if in(parameters.platform, 'iOSSimulator_x64', 'iOSSimulator_x86', 'tvOSSimulator_x64', 'MacCatalyst_x64') }}:
-      - OSX.1200.Amd64.Open
+      - OSX.1015.Amd64.Open
 
     # iOS devices
     - ${{ if in(parameters.platform, 'iOS_arm64') }}: