diff --git a/eng/pipelines/coreclr/templates/helix-queues-setup.yml b/eng/pipelines/coreclr/templates/helix-queues-setup.yml
index 314b76dc2706e1..08bfe2d54d7f15 100644
--- a/eng/pipelines/coreclr/templates/helix-queues-setup.yml
+++ b/eng/pipelines/coreclr/templates/helix-queues-setup.yml
@@ -34,7 +34,7 @@ jobs:
 
     # iOS Simulator/Mac Catalyst arm64
     - ${{ if in(parameters.platform, 'maccatalyst_arm64', 'iossimulator_arm64') }}:
-      - OSX.14.Arm64.Open
+      - OSX.15.Arm64.Open
 
     # iOS/tvOS Simulator x64 & MacCatalyst x64
     - ${{ if in(parameters.platform, 'iossimulator_x64', 'tvossimulator_x64', 'maccatalyst_x64') }}:
diff --git a/eng/pipelines/libraries/helix-queues-setup.yml b/eng/pipelines/libraries/helix-queues-setup.yml
index 12c23119a6406e..92494860e9aa70 100644
--- a/eng/pipelines/libraries/helix-queues-setup.yml
+++ b/eng/pipelines/libraries/helix-queues-setup.yml
@@ -92,7 +92,7 @@ jobs:
 
     # iOS Simulator/Mac Catalyst arm64
     - ${{ if in(parameters.platform, 'maccatalyst_arm64', 'iossimulator_arm64') }}:
-      - OSX.14.Arm64.Open
+      - OSX.15.Arm64.Open
 
     # iOS/tvOS Simulator x64 & MacCatalyst x64
     - ${{ if in(parameters.platform, 'iossimulator_x64', 'tvossimulator_x64', 'maccatalyst_x64') }}: