diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index ee8b2a0..b35f102 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -48,7 +48,7 @@ jobs:
 
           # Build for Intel macOS environments.
           - name: darwin-x86_64
-            os: macos-13
+            os: macos-12
     steps:
     - uses: actions/checkout@v4
     - name: 'Caching workspace.'