diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index f5ccaec..b44a238 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -255,14 +255,14 @@ jobs:
             os: ubuntu-latest
             install: clang-17
           - toolset: clang
-            cxxstd: "11,14,17,20,2b"
             os: macos-14
+            cxxstd: "11,14,17,20,2b"
           - toolset: clang
-            cxxstd: "11,14,17,20,23,2c"
             os: macos-15
-          - toolset: clang
             cxxstd: "11,14,17,20,23,2c"
+          - toolset: clang
             os: macos-26
+            cxxstd: "11,14,17,20,23,2c"
 
     runs-on: ${{matrix.os}}