diff --git a/.github/workflows/jekyll.yml b/.github/workflows/jekyll.yml
index 5be211a..a2220cc 100644
--- a/.github/workflows/jekyll.yml
+++ b/.github/workflows/jekyll.yml
@@ -2,6 +2,7 @@ name: Jekyll site CI
 
 on:
   push:
+    branches: [ main, master ]
   pull_request:
     branches: [ main, master ]
   workflow_dispatch:
@@ -13,7 +14,7 @@ permissions:
 
 jobs:
   build:
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-24.04
     steps:
       - name: Checkout
         uses: actions/checkout@v3
@@ -21,9 +22,9 @@ jobs:
           ref: ${{ github.event.inputs.branch }}
 
       - name: Setup Ruby
-        uses: ruby/setup-ruby@v1.127.0
+        uses: ruby/setup-ruby@v1.196.0
         with:
-          ruby-version: '3.1'
+          ruby-version: '3.3'
           bundler-cache: true
           cache-version: 0
 
@@ -41,7 +42,7 @@ jobs:
           bundle exec jekyll build --baseurl "${{ steps.pages.outputs.base_path }}"
         env:
           PAGES_REPO_NWO: ${{ github.repository }}
-          JEKYLL_ENV: ${{ steps.name.outputs.jekyll_env }}
+          JEKYLL_ENV: production
           JEKYLL_GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
           JEKYLL_BUILD_BRANCH: ${{ github.ref_name }}
           JEKYLL_BASE_PATH: ${{ steps.pages.outputs.base_path }}