diff --git a/.github/workflows/build_android.yml b/.github/workflows/build_android.yml
index c4fc9dbe..b394490c 100644
--- a/.github/workflows/build_android.yml
+++ b/.github/workflows/build_android.yml
@@ -40,7 +40,7 @@ permissions: write-all
 jobs:
   build_android:
     name: build-android-unity${{ inputs.unity_version }}-CPP${{ inputs.firebase_cpp_sdk_version }}
-    runs-on: macos-14
+    runs-on: macos-15
     strategy:
       fail-fast: false
     env:
diff --git a/.github/workflows/build_ios.yml b/.github/workflows/build_ios.yml
index 39199147..2396d587 100644
--- a/.github/workflows/build_ios.yml
+++ b/.github/workflows/build_ios.yml
@@ -40,12 +40,12 @@ permissions: write-all
 jobs:
   build_ios:
     name: build-ios-unity${{ inputs.unity_version }}-CPP${{ inputs.firebase_cpp_sdk_version }}
-    runs-on: macos-14
+    runs-on: macos-15
     strategy:
       fail-fast: false
 
     env:
-      xcodeVersion: "16.2"
+      xcodeVersion: "26.2"
   
     steps:
       - uses: lukka/get-cmake@latest
diff --git a/.github/workflows/build_macos.yml b/.github/workflows/build_macos.yml
index 887402ec..8f51b57c 100644
--- a/.github/workflows/build_macos.yml
+++ b/.github/workflows/build_macos.yml
@@ -40,7 +40,7 @@ permissions: write-all
 jobs:
   build_desktop:
     name: build-macOS-unity${{ inputs.unity_version}}-CPP${{ inputs.firebase_cpp_sdk_version }}
-    runs-on: macos-14
+    runs-on: macos-15
     strategy:
       fail-fast: false
 
diff --git a/.github/workflows/build_tvos.yml b/.github/workflows/build_tvos.yml
index 2655f1e4..1a762b0c 100644
--- a/.github/workflows/build_tvos.yml
+++ b/.github/workflows/build_tvos.yml
@@ -61,12 +61,12 @@ permissions: write-all
 jobs:
   build_tvos:
     name: build-tvos-unity${{ inputs.unity_version }}-CPP${{ inputs.firebase_cpp_sdk_version }}
-    runs-on: macos-14
+    runs-on: macos-15
     strategy:
       fail-fast: false
 
     env:
-      xcodeVersion: "16.2"
+      xcodeVersion: "26.2"
 
     steps:
       - uses: lukka/get-cmake@latest
diff --git a/.github/workflows/integration_tests.yml b/.github/workflows/integration_tests.yml
index 1be7a1e6..3f21d8ca 100644
--- a/.github/workflows/integration_tests.yml
+++ b/.github/workflows/integration_tests.yml
@@ -191,7 +191,7 @@ jobs:
       fail-fast: false
       matrix: ${{ fromJson(needs.check_and_prepare.outputs.build_matrix) }}
     env:
-      xcodeVersion: "16.2"
+      xcodeVersion: "26.2"
     steps:
       - uses: lukka/get-cmake@latest
         with:
@@ -547,7 +547,7 @@ jobs:
       fail-fast: false
       matrix: ${{ fromJson(needs.check_and_prepare.outputs.test_matrix) }}
     env:
-      xcodeVersion: "16.2"
+      xcodeVersion: "26.2"
     steps:
       - id: matrix_info
         shell: bash
@@ -836,7 +836,7 @@ jobs:
     # Our best guess is something to do with the MAC address all being the same across the Mac runners.
     # Therefore we wait for the builds to complete before returning the license.
     # Ensures that all the build and playmode tests complete before the license is returned from all the machines.
-    runs-on: macos-14
+    runs-on: macos-15
     # Wait for both build and playmode to finish before returning the license
     needs: [build_testapp, playmode_test]
     if: always()
diff --git a/docs/readme.md b/docs/readme.md
index df422861..d351c971 100644
--- a/docs/readme.md
+++ b/docs/readme.md
@@ -114,6 +114,7 @@ Release Notes
     - General: Update to Firebase C++ SDK version 13.7.0.
     - General (Android): Update to Firebase Android BoM version 34.13.0.
     - General (iOS): Update to Firebase Cocoapods version 12.13.0.
+    - General (iOS, tvOS, Desktop): iOS, tvOS, and macOS SDKs are now built using Xcode 26.2.
     - General: Strip debug symbols from Mac and Linux libraries, to reduce library size.
     - General: Enforce the Xcode CMake generator for iOS and tvOS SDKs.
     - General (iOS): Improve initialization to address intermittent crashes on iOS 26.
diff --git a/firebaseai/testapp/readme.md b/firebaseai/testapp/readme.md
index 810c7b11..ffa2c898 100644
--- a/firebaseai/testapp/readme.md
+++ b/firebaseai/testapp/readme.md
@@ -9,7 +9,7 @@ inside the Unity Editor.
 ## Requirements
 
 * [Unity](http://unity3d.com/) The quickstart project requires 2021.3 or higher.
-* [Xcode](https://developer.apple.com/xcode/) 16.2 or higher
+* [Xcode](https://developer.apple.com/xcode/) 26.2 or higher
   (when developing for iOS).
 * [Android SDK](https://developer.android.com/studio/index.html#downloads)
   (when developing for Android).
diff --git a/scripts/gha/print_matrix_configuration.py b/scripts/gha/print_matrix_configuration.py
index 2cf29c6b..3d8655ac 100644
--- a/scripts/gha/print_matrix_configuration.py
+++ b/scripts/gha/print_matrix_configuration.py
@@ -56,7 +56,7 @@
 
 # GitHub Runner
 WINDOWS_RUNNER = "windows-latest"
-MACOS_RUNNER = "macos-14"
+MACOS_RUNNER = "macos-15"
 LINUX_RUNNER = "ubuntu-22.04"
 
 PARAMETERS = {