diff --git a/.github/workflows/performance.yml b/.github/workflows/performance.yml
index c9442edc86f..f455d00a366 100644
--- a/.github/workflows/performance.yml
+++ b/.github/workflows/performance.yml
@@ -29,7 +29,7 @@ jobs:
   performance:
     # Don't run on private repo unless it is a PR.
     if: (github.repository == 'Firebase/firebase-ios-sdk' && github.event_name == 'schedule') || github.event_name == 'pull_request'
-    runs-on: macos-14
+    runs-on: macos-15
     strategy:
       matrix:
         target: [iOS, tvOS]
@@ -40,6 +40,8 @@ jobs:
       with:
         cache_key: ${{ matrix.target }}${{ matrix.test }}
     - uses: ruby/setup-ruby@354a1ad156761f5ee2b7b13fa8e09943a5e8d252 # v1
+    - name: Xcode
+      run: sudo xcode-select -s /Applications/Xcode_16.2.app/Contents/Developer
     - name: Setup Bundler
       run: scripts/setup_bundler.sh
     - name: Install xcpretty
@@ -57,7 +59,7 @@ jobs:
         target: [ios, tvos]
         build-env:
           - os: macos-14
-            xcode: Xcode_15.2
+            xcode: Xcode_16.2
           - os: macos-15
             xcode: Xcode_16.2
     runs-on: ${{ matrix.build-env.os }}
@@ -78,10 +80,12 @@ jobs:
     env:
       plist_secret: ${{ secrets.GHASecretsGPGPassphrase1 }}
       signin_secret: ${{ secrets.GHASecretsGPGPassphrase1 }}
-    runs-on: macos-14
+    runs-on: macos-15
     steps:
     - uses: actions/checkout@v4
     - uses: ruby/setup-ruby@354a1ad156761f5ee2b7b13fa8e09943a5e8d252 # v1
+    - name: Xcode
+      run: sudo xcode-select -s /Applications/Xcode_16.2.app/Contents/Developer
     - name: Setup quickstart
       run: scripts/setup_quickstart.sh performance
     - name: Install Secret GoogleService-Info.plist
@@ -99,13 +103,15 @@ jobs:
     env:
       plist_secret: ${{ secrets.GHASecretsGPGPassphrase1 }}
       signin_secret: ${{ secrets.GHASecretsGPGPassphrase1 }}
-    runs-on: macos-14
+    runs-on: macos-15
     steps:
     - uses: actions/checkout@v4
     - uses: ruby/setup-ruby@354a1ad156761f5ee2b7b13fa8e09943a5e8d252 # v1
     - uses: actions/setup-python@v5
       with:
         python-version: '3.11'
+    - name: Xcode
+      run: sudo xcode-select -s /Applications/Xcode_16.2.app/Contents/Developer
     - name: Setup quickstart
       run: scripts/setup_quickstart.sh performance
     - name: Install Secret GoogleService-Info.plist
@@ -130,6 +136,8 @@ jobs:
       cache_key: ${{ steps.generate_cache_key.outputs.cache_key }}
     steps:
       - uses: actions/checkout@v4
+      - name: Xcode
+        run: sudo xcode-select -s /Applications/Xcode_16.2.app/Contents/Developer
       - name: Generate Swift Package.resolved
         id: swift_package_resolve
         run: |
@@ -151,11 +159,8 @@ jobs:
     strategy:
       matrix:
         include:
-          - os: macos-13
-            xcode: Xcode_15.2
-            target: iOS
           - os: macos-14
-            xcode: Xcode_15.4
+            xcode: Xcode_16.2
             target: iOS
           - os: macos-15
             xcode: Xcode_16.2
@@ -196,7 +201,7 @@ jobs:
   performance-cron-only:
     # Don't run on private repo.
     if: github.event_name == 'schedule' && github.repository == 'Firebase/firebase-ios-sdk'
-    runs-on: macos-14
+    runs-on: macos-15
     strategy:
       matrix:
         target: [ios, tvos]
@@ -207,6 +212,8 @@ jobs:
     steps:
     - uses: actions/checkout@v4
     - uses: ruby/setup-ruby@354a1ad156761f5ee2b7b13fa8e09943a5e8d252 # v1
+    - name: Xcode
+      run: sudo xcode-select -s /Applications/Xcode_16.2.app/Contents/Developer
     - name: Setup Bundler
       run: scripts/setup_bundler.sh
     - name: PodLibLint Performance Cron