diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index 925d73d..5bdd3a7 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -21,7 +21,7 @@ jobs:
       fail-fast: false
       matrix:
         python-version: ['3.9', '3.10', '3.11']
-        os: [ubuntu-latest, macOS-latest]
+        os: [ubuntu-latest, macos-13]
 
     steps:
     - uses: actions/checkout@v4