diff --git a/.github/workflows/macos-nondefault.yml b/.github/workflows/macos-nondefault.yml
index 2b4f1d9a81..7a9286516c 100644
--- a/.github/workflows/macos-nondefault.yml
+++ b/.github/workflows/macos-nondefault.yml
@@ -9,7 +9,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        os: [macos-12, macos-13, macos-14]
+        os: [macos-13, macos-14]
         classes: [boost, std]
         include:
           - classes: std
diff --git a/.github/workflows/macos.yml b/.github/workflows/macos.yml
index fa61ac1d01..a034797d72 100644
--- a/.github/workflows/macos.yml
+++ b/.github/workflows/macos.yml
@@ -6,7 +6,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        os: [macos-12, macos-13, macos-14]
+        os: [macos-13, macos-14]
     steps:
     - uses: actions/checkout@v4
     - name: Setup