diff --git a/.github/workflows/cd.yml b/.github/workflows/cd.yml
index 6b62a30ed..ad9013de0 100644
--- a/.github/workflows/cd.yml
+++ b/.github/workflows/cd.yml
@@ -2,7 +2,7 @@ name: Continuous Delivery
 
 on:
   push:
-    tags: 'v*'  # push events to matching v*, i.e. v1.0, v20.15.10
+    tags: ['v*']  # push events to matching v*, i.e. v1.0, v20.15.10
 
 env:
   PYTHON_DEFAULT_VERSION: "3.12"
diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index ee4963923..58d0da8a3 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -103,7 +103,7 @@ jobs:
             extras: "full"
             os: "ubuntu-latest"
           # Workaround for https://github.com/actions/setup-python/issues/696
-          - os: "macos-13"
+          - os: "macos-14-large"
             python-version: 3.9
     steps:
       - uses: actions/checkout@v4
diff --git a/changelog.d/+macos-14-large-ci.infrastructure.md b/changelog.d/+macos-14-large-ci.infrastructure.md
new file mode 100644
index 000000000..e91a62991
--- /dev/null
+++ b/changelog.d/+macos-14-large-ci.infrastructure.md
@@ -0,0 +1 @@
+Update CI to use `macos-14-large` instead of deprecated `macos-13` for amd64-based macOS testing.