diff --git a/.github/workflows/functional-test.yml b/.github/workflows/functional-test.yml
index b52b63e..5b794c7 100644
--- a/.github/workflows/functional-test.yml
+++ b/.github/workflows/functional-test.yml
@@ -5,17 +5,17 @@ on: [pull_request]
 
 jobs:
   test:
+
+    # https://github.com/actions/runner-images/tree/main/images/macos
     strategy:
       matrix:
         include:
-        - xcodeVersion: 11.7
-          osVersion: macos-11
-        - xcodeVersion: 12.4
-          osVersion: macos-11
-        - xcodeVersion: 13.4
-          osVersion: macos-12
-        - xcodeVersion: 14.2
-          osVersion: macos-12
+        - xcodeVersion: '14.3.1'
+          osVersion: macos-13
+        - xcodeVersion: '15.4'
+          osVersion: macos-14
+        - xcodeVersion: '16.0'
+          osVersion: macos-15
 
     env:
       CI: true