diff --git a/.github/workflows/os-zoo.yml b/.github/workflows/os-zoo.yml
index 884c08599d..9e62d468d4 100644
--- a/.github/workflows/os-zoo.yml
+++ b/.github/workflows/os-zoo.yml
@@ -105,7 +105,7 @@ jobs:
       fail-fast: false
       matrix:
         branch: [openssl-3.0, openssl-3.1, master]
-        os: [macos-12, macos-13, macos-14]
+        os: [macos-13, macos-14, macos-15]
     runs-on: ${{ matrix.os }}
     steps:
     - uses: actions/checkout@v4