diff --git a/tools/ci_build/github/azure-pipelines/mac-ios-ci-pipeline.yml b/tools/ci_build/github/azure-pipelines/mac-ios-ci-pipeline.yml
index 258bbd1674..c734ea0665 100644
--- a/tools/ci_build/github/azure-pipelines/mac-ios-ci-pipeline.yml
+++ b/tools/ci_build/github/azure-pipelines/mac-ios-ci-pipeline.yml
@@ -39,7 +39,7 @@ jobs:
     # Note: Keep the Xcode version and iOS simulator version compatible.
     # Check the table here to see what iOS simulator versions are supported by a particular Xcode version:
     # https://developer.apple.com/support/xcode/
-    XCODE_VERSION: 14.3.1
+    XCODE_VERSION: 15.3.0
     IOS_SIMULATOR_RUNTIME_VERSION: 16.4
   timeoutInMinutes: 150
   steps:
diff --git a/tools/ci_build/github/azure-pipelines/templates/stages/mac-ios-packaging-build-stage.yml b/tools/ci_build/github/azure-pipelines/templates/stages/mac-ios-packaging-build-stage.yml
index cd89acce18..89cd95d4d6 100644
--- a/tools/ci_build/github/azure-pipelines/templates/stages/mac-ios-packaging-build-stage.yml
+++ b/tools/ci_build/github/azure-pipelines/templates/stages/mac-ios-packaging-build-stage.yml
@@ -21,7 +21,7 @@ stages:
       # Note: Keep the Xcode version and iOS simulator version compatible.
       # Check the table here to see what iOS simulator versions are supported by a particular Xcode version:
       # https://developer.apple.com/support/xcode/
-      xcodeVersion: "14.3.1"
+      xcodeVersion: "15.3.0"
       iosSimulatorRuntimeVersion: "16.4"
 
       ortPodVersion: $[stageDependencies.IosPackaging_SetCommonVariables.j.outputs['SetCommonVariables.ORT_POD_VERSION']]
diff --git a/tools/ci_build/github/azure-pipelines/templates/use-xcode-version.yml b/tools/ci_build/github/azure-pipelines/templates/use-xcode-version.yml
index 2cf698aefa..3c1bfcd60f 100644
--- a/tools/ci_build/github/azure-pipelines/templates/use-xcode-version.yml
+++ b/tools/ci_build/github/azure-pipelines/templates/use-xcode-version.yml
@@ -3,7 +3,7 @@
 parameters:
 - name: xcodeVersion
   type: string
-  default: "14.3.1"
+  default: "15.3.0"
 
 steps:
 - bash: |