diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 4ce72f7..efefe16 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -4,11 +4,11 @@ on: push
 
 jobs:
   test:
-    runs-on: macos-13
+    runs-on: macos-14
     
     steps:
       - uses: actions/checkout@v3
-      - name: Select Xcode 15
-        run: sudo xcode-select -s /Applications/Xcode_15.0.app
+      - name: Select Xcode 16
+        run: sudo xcode-select -s /Applications/Xcode_16.0.app
       - name: Test
         run: swift test