diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 69e3f220..cfd6a20c 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -8,7 +8,7 @@ on:
 
 jobs:
   format:
-    runs-on: macos-14
+    runs-on: macos-15
 
     steps:
       - uses: actions/checkout@v4
@@ -16,11 +16,10 @@ jobs:
       - run: swift-format lint --recursive .
 
   test:
-    runs-on: macos-14
+    runs-on: macos-15
 
     steps:
       - uses: actions/checkout@v4
-      - run: sudo xcode-select -switch /Applications/Xcode_16.1.app
       - run: |
           xcodebuild test \
             -project "Leader Key.xcodeproj" \