diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index fe90b955..346205fc 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -6,7 +6,7 @@ on:
 jobs:
 
     test-osx:
-      runs-on: macos-latest
+      runs-on: macos-13
 
       steps:
       - uses: actions/checkout@v3