diff --git a/.github/workflows/__swift-autobuild.yml b/.github/workflows/__swift-autobuild.yml
index 473c13644..15a25375d 100644
--- a/.github/workflows/__swift-autobuild.yml
+++ b/.github/workflows/__swift-autobuild.yml
@@ -9,9 +9,6 @@ env:
   GO111MODULE: auto
 on:
   push:
-    branches:
-      - main
-      - releases/v*
   pull_request:
     types:
       - opened
@@ -39,7 +36,7 @@ jobs:
       fail-fast: false
       matrix:
         include:
-          - os: macos-latest
+          - os: macos-latest-xlarge
             version: nightly-latest
     name: Swift analysis using autobuild
     if: github.triggering_actor != 'dependabot[bot]'