diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 2d640419..3cc5f36d 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -49,7 +49,7 @@ jobs:
   build-and-test-macos:
     strategy:
       matrix:
-        os: [ macos-12, macos-13, macos-14 ]
+        os: [ macos-13, macos-14, macos-15 ]
       fail-fast: false
     name: "Build/Test: ${{ matrix.os }}"
     uses: ./.github/workflows/build-and-test-macos.yml
@@ -143,7 +143,7 @@ jobs:
   build-doc-macOS:
     strategy:
       matrix:
-        os: [ macos-12, macos-13, macos-14 ]
+        os: [ macos-13, macos-14, macos-15 ]
       fail-fast: false
     name: "Build doc: ${{ matrix.os }}"
     runs-on: ${{ matrix.os }}