diff --git a/.github/workflows/BuildPR.yml b/.github/workflows/BuildPR.yml
index fe414f82..75264455 100644
--- a/.github/workflows/BuildPR.yml
+++ b/.github/workflows/BuildPR.yml
@@ -17,8 +17,8 @@ jobs:
           - xcode: 26.3
             os: macos-15-intel
             abi: x86_64
-          - xcode: 26.3
-            os: macos-26
+          - xcode: 27.0
+            os: macos-27
             abi: arm64
     steps:
       - name: ls Xcode