diff --git a/.github/workflows/tests_unit.yml b/.github/workflows/tests_unit.yml
index 50709462a9b9..dafa789608fd 100644
--- a/.github/workflows/tests_unit.yml
+++ b/.github/workflows/tests_unit.yml
@@ -13,11 +13,11 @@ on:
         required: true
         type: choice
         # If you alter system names in default + options here, also alter osArray below to match
-        default: '["windows-latest", "macos-14", "ubuntu-latest"]'
+        default: '["windows-latest", "macos-latest", "ubuntu-latest"]'
         options:
-          - '["windows-latest", "macos-14", "ubuntu-latest"]'
+          - '["windows-latest", "macos-latest", "ubuntu-latest"]'
           - '["windows-latest"]'
-          - '["macos-14"]'
+          - '["macos-latest"]'
           - '["ubuntu-latest"]'
   schedule:
     - cron: "42 0 * * 2"
@@ -59,10 +59,10 @@ jobs:
         with:
           script: |
             // by default, we will include all 3 platforms we test on
-            // "latest" would be easy everywhere, but "macos-14" doesn't always happen if you choose "latest"
-            // and we want macos-14 because it has Apple Silicon and is faster
+            // "macos-latest" follows GitHub's current default macOS image, so the job keeps getting a machine
+            // as older images are retired; it is Apple Silicon
             // if you alter this, also alter it above in the workflow_dispatch options list
-            let osArray = ["ubuntu-latest", "macos-14", "windows-latest"]
+            let osArray = ["ubuntu-latest", "macos-latest", "windows-latest"]
             
             // by default, we will run one iteration on each selected system
             let iterationArray = [1]