diff --git a/.github/workflows/nightly.yml b/.github/workflows/nightly.yml
index a8e40ab..37b7565 100644
--- a/.github/workflows/nightly.yml
+++ b/.github/workflows/nightly.yml
@@ -6,7 +6,7 @@ on:
 jobs:
   build:
 #     runs-on: macOS-latest
-    runs-on: macos-14
+    runs-on: macos-15
     timeout-minutes: 10
     steps:
     - uses: actions/checkout@v4
@@ -20,7 +20,7 @@ jobs:
         APPLE_API_KEY_ID: ${{ secrets.APPLE_API_KEY_ID }}
       run: ./.github/scripts/signing.sh
     - name: Set Environment
-      run: sudo xcrun xcode-select -s /Applications/Xcode_15.4.app
+      run: sudo xcrun xcode-select -s /Applications/Xcode_16.2.app
     - name: Update Build Number
       env:
         RUN_ID: ${{ github.run_id }}
diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index a135203..b6818b4 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -7,7 +7,7 @@ on:
 jobs:
   test:
 #     runs-on: macOS-latest
-    runs-on: macos-14
+    runs-on: macos-15
     timeout-minutes: 10
     steps:
     - uses: actions/checkout@v4
@@ -21,7 +21,7 @@ jobs:
         APPLE_API_KEY_ID: ${{ secrets.APPLE_API_KEY_ID }}
       run: ./.github/scripts/signing.sh
     - name: Set Environment
-      run: sudo xcrun xcode-select -s /Applications/Xcode_15.4.app
+      run: sudo xcrun xcode-select -s /Applications/Xcode_16.2.app
     - name: Test
       run: |
             pushd Sources/Packages
@@ -29,7 +29,7 @@ jobs:
             popd
   build:
 #     runs-on: macOS-latest
-    runs-on: macos-14
+    runs-on: macos-15
     timeout-minutes: 10
     steps:
     - uses: actions/checkout@v4
@@ -43,7 +43,7 @@ jobs:
         APPLE_API_KEY_ID: ${{ secrets.APPLE_API_KEY_ID }}
       run: ./.github/scripts/signing.sh
     - name: Set Environment
-      run: sudo xcrun xcode-select -s /Applications/Xcode_15.4.app
+      run: sudo xcrun xcode-select -s /Applications/Xcode_16.2.app
     - name: Update Build Number
       env:
         TAG_NAME: ${{ github.ref }}
diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 74bc066..3f0f70b 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -4,12 +4,12 @@ on: [push, pull_request]
 jobs:
   test:
 #     runs-on: macOS-latest
-    runs-on: macos-14
+    runs-on: macos-15
     timeout-minutes: 10
     steps:
     - uses: actions/checkout@v4
     - name: Set Environment
-      run: sudo xcrun xcode-select -s /Applications/Xcode_15.4.app
+      run: sudo xcrun xcode-select -s /Applications/Xcode_16.2.app
     - name: Test
       run: |
             pushd Sources/Packages