diff --git a/.github/workflows/build.mac.workflow.yml b/.github/workflows/build.mac.workflow.yml
index 41599300c..472f79465 100644
--- a/.github/workflows/build.mac.workflow.yml
+++ b/.github/workflows/build.mac.workflow.yml
@@ -15,12 +15,12 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        os: [macos-12, macos-14]
+        os: [macos-12, macos-13, macos-14]
         include:
           - os: macos-12
             qtver: "5.15.2"
             qtvershort: "5_intel"
-          - os: macos-12
+          - os: macos-13
             qtver: "6.6.3"
             qtvershort: "6_intel"
           - os: macos-14