diff --git a/.github/workflows/publish_pypi.yml b/.github/workflows/publish_pypi.yml
index 60d6a0d6f5..a2902ba20c 100644
--- a/.github/workflows/publish_pypi.yml
+++ b/.github/workflows/publish_pypi.yml
@@ -99,7 +99,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        os: [ubuntu-latest, macos-12]
+        os: [ubuntu-latest, macos-13]
     steps:
       - uses: actions/checkout@v4
         name: Check out PyBaMM repository
@@ -125,7 +125,7 @@ jobs:
           CIBW_TEST_COMMAND: python -c "import pybamm; pybamm.IDAKLUSolver()"
 
       - name: Build wheels on macOS amd64
-        if: matrix.os == 'macos-12'
+        if: matrix.os == 'macos-13'
         run: pipx run cibuildwheel --output-dir wheelhouse
         env:
           MACOSX_DEPLOYMENT_TARGET: 11.1