diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index b5ddecd..1f4e4c0 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -17,7 +17,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        os: ['windows-2022', 'ubuntu-22.04', 'macos-13']
+        os: ['windows-2022', 'ubuntu-22.04', 'macos-15-intel']
         python: ["3.10", "3.11"]
     steps:
       - uses: actions/checkout@v6
@@ -37,7 +37,7 @@ jobs:
 
   build-openassetio:
     name: Build OpenAssetIO
-    runs-on: ubuntu-22.04
+    runs-on: ubuntu-latest
     container:
       image: ghcr.io/openassetio/openassetio-build
     steps: