diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 9062144..2181990 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -259,7 +259,7 @@ jobs:
 
   macos-stage1:
     needs: [prepare]
-    runs-on: macos-14
+    runs-on: macos-15
     steps:
       - uses: actions/checkout@v6
       - name: Build
@@ -288,7 +288,7 @@ jobs:
   # Build a cross compiler for macOS, targeting Windows.
   macos:
     needs: [prepare, macos-stage1, linux-profile]
-    runs-on: macos-14
+    runs-on: macos-15
     steps:
       - uses: actions/checkout@v6
       - uses: actions/download-artifact@v8