diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 636b9d8ec..8349609b5 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -40,15 +40,15 @@ jobs:
             cxxstd: 20
             os: ubuntu-22.04
             install: clang-15
-          - toolset: clang
-            os: macos-11
-            cxxstd: 11
           - toolset: clang
             os: macos-12
             cxxstd: 14
           - toolset: clang
             os: macos-13
             cxxstd: 17
+          - toolset: clang
+            os: macos-14
+            cxxstd: "11,14,17,20,2b"
 
     runs-on: ${{matrix.os}}
     container: ${{matrix.container}}