diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index f5c6ecd..5631cc4 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -18,7 +18,10 @@ jobs:
     name: Build macOS
     runs-on: macos-14
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
+      - uses: maxim-lobanov/setup-xcode@v1
+        with:
+          xcode-version: "15.0"
       - name: Run tests
         run: swift test -v
   build-other-platforms:
@@ -34,15 +37,10 @@ jobs:
           - name: watchOS
             value: "platform=watchOS Simulator,name=Apple Watch Series 8 (41mm),OS=latest"
     steps:
+      - uses: actions/checkout@v4
       - uses: maxim-lobanov/setup-xcode@v1
         with:
-          xcode-version: latest-stable
-      - name: Inspect versions
-        run: |
-          system_profiler SPSoftwareDataType
-          swift --version
-          xcodebuild -version
-      - uses: actions/checkout@v3
+          xcode-version: "15.0"
       - name: Build
         run: |-
           set -o pipefail && NSUnbufferedIO=YES xcodebuild clean build \