diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index 9ecdb6db1..e248d7a1a 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -9,7 +9,7 @@ jobs:
     strategy:
       matrix:
         os:
-          - runner: 'macOS-latest-large'
+          - runner: 'macos-14-large'
             archive-command: 'tar --create --bzip2 --file'
             file-extension: 'tar.bz2'
             executable-extension: ''
diff --git a/.mergify.yml b/.mergify.yml
index 756724125..0acb8d4ef 100644
--- a/.mergify.yml
+++ b/.mergify.yml
@@ -4,7 +4,7 @@ queue_rules:
   - check-success=hydra
   # Mergify explicitly recommends listing each status check separately:
   # https://docs.mergify.io/conditions/#validating-all-status-checks
-  - check-success=macOS-latest-large - stack.yaml
+  - check-success=macos-14-large - stack.yaml
   - check-success=ubuntu-latest - stack.yaml
   - check-success=windows-latest - stack.yaml
 pull_request_rules: