diff --git a/.github/workflows/macos.yml b/.github/workflows/macos.yml
index 64e3a40..0545a52 100644
--- a/.github/workflows/macos.yml
+++ b/.github/workflows/macos.yml
@@ -12,6 +12,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
+        os: [macos-14, macos-13, macos-12]
         python-version: ["3.11"]
         include:
           - os: macos-14