diff --git a/.github/workflows/unittests.yaml b/.github/workflows/unittests.yaml
index 8f94ecf..074f561 100644
--- a/.github/workflows/unittests.yaml
+++ b/.github/workflows/unittests.yaml
@@ -20,12 +20,12 @@ jobs:
             os: ubuntu-20.04
           - config_name: ubuntu-22.04
             os: ubuntu-22.04
-          - config_name: macos-12
-            os: macos-12
           - config_name: macos-13
-            os: macos-13
+            os: macos-12
           - config_name: macos-14
-            os: macos-14
+            os: macos-12
+          - config_name: macos-15
+            os: macos-15
           - config_name: windows-latest
             os: windows-latest