diff --git a/.github/workflows/Test.yml b/.github/workflows/Test.yml
index bcc91a32..ab0c135f 100644
--- a/.github/workflows/Test.yml
+++ b/.github/workflows/Test.yml
@@ -4,7 +4,7 @@ jobs:
   rvm:
     strategy:
       matrix:
-        os: [ubuntu-latest, macos-11, macos-12, macos-13]
+        os: [ubuntu-latest, macos-13, macos-14, macos-15]
         ruby: [2.6, 2.7]
         gemfile: [Gemfile]
         include: