diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 8cdc49246..dd1a7de70 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -16,7 +16,7 @@ jobs:
     strategy:
       matrix:
         #os: [macos-12, ubuntu-18.04, ubuntu-20.04, windows-2019]
-        os: [macos-12, ubuntu-20.04, windows-2019]
+        os: [macos-15, ubuntu-20.04, windows-2019]
 
     steps:  
       - name: Checkout