diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 3240b91..64e5a63 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -14,12 +14,16 @@ on:
       - 'Tests/**.swift'
       - 'Package.swift'
       - '.github/workflows/build.yml'
+  cancel_inprogress:
+    enabled: true
 
 jobs:
   build:
     runs-on: macos-latest
     steps:
     - uses: actions/checkout@v4
+    - name: Select Xcode 15.1
+      run: sudo xcode-select -s /Applications/Xcode_15.1.app
     - name: Cache .build 
       uses: actions/cache@v3.3.2
       with: