diff --git a/.github/workflows/cpp-ci-serial-programs.yml b/.github/workflows/cpp-ci-serial-programs.yml
index 46938938d..686a4f81c 100644
--- a/.github/workflows/cpp-ci-serial-programs.yml
+++ b/.github/workflows/cpp-ci-serial-programs.yml
@@ -9,7 +9,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        os: [windows-2022, macos-15-large, ubuntu-24.04]
+        os: [windows-2022, macos-15, ubuntu-24.04]
         qt_version: ['5.12.12', '6.7.2']
         include:
         - qt_version: '5.12.12'