diff --git a/.github/workflows/testing.yml b/.github/workflows/testing.yml
index a86c33b1a1..0e9bc1866c 100644
--- a/.github/workflows/testing.yml
+++ b/.github/workflows/testing.yml
@@ -108,7 +108,7 @@ jobs:
     runs-on: ${{ matrix.os-name }}
     strategy:
       matrix:
-        os-name: ['macos-12','macos-13']
+        os-name: ['macos-14','macos-13']
     timeout-minutes: 30
     env:
       CCTOOLS_OUTPUT: ${{ format('cctools-{0}-x86_64-{1}.tar.gz', github.event.inputs.version, matrix.os-name) }}