diff --git a/.github/workflows/cd.yml b/.github/workflows/cd.yml
index 9fce934d0..ebd2d7699 100644
--- a/.github/workflows/cd.yml
+++ b/.github/workflows/cd.yml
@@ -18,7 +18,7 @@ jobs:
 
       - uses: ruby/setup-ruby@v1
         with:
-          ruby-version: 3.3
+          ruby-version: 3.4
           bundler-cache: true
 
       - uses: actions/setup-node@v6
diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index d5d2b8bc5..d2cfc403b 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -27,7 +27,7 @@ jobs:
 
     strategy:
       matrix:
-        ruby: ["3.1", "3.2", "3.3"]
+        ruby: ["3.3", "3.4"]
 
     steps:
       - name: Checkout
diff --git a/.github/workflows/starter/pages-deploy.yml b/.github/workflows/starter/pages-deploy.yml
index 9ee4a240a..e38bc72d8 100644
--- a/.github/workflows/starter/pages-deploy.yml
+++ b/.github/workflows/starter/pages-deploy.yml
@@ -42,7 +42,7 @@ jobs:
       - name: Setup Ruby
         uses: ruby/setup-ruby@v1
         with:
-          ruby-version: 3.3
+          ruby-version: 3.4
           bundler-cache: true
 
       - name: Build site