diff --git a/.github/workflows/push.yaml b/.github/workflows/push.yaml
index 5208f1d..946fd91 100644
--- a/.github/workflows/push.yaml
+++ b/.github/workflows/push.yaml
@@ -19,7 +19,7 @@ jobs:
       - name: Setup nanoc
         uses: ruby/setup-ruby@v1
         with:
-          ruby-version: 2.7
+          ruby-version: 3.3
 
       - name: Install dependencies
         run: make bundle
diff --git a/Gemfile.lock b/Gemfile.lock
index 5373b69..8d77bb9 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -174,4 +174,4 @@ DEPENDENCIES
   rspec
 
 BUNDLED WITH
-   2.0.2
+   2.3.3
diff --git a/layouts/footer.html b/layouts/footer.html
index 415a152..4d84bdf 100644
--- a/layouts/footer.html
+++ b/layouts/footer.html
@@ -1,7 +1,7 @@
     <!-- Bootstrap core JavaScript
     ================================================== -->
     <!-- Placed at the end of the document so the pages load faster -->
-    <script src="https://code.jquery.com/jquery-2.2.2.min.js" integrity="sha256-36cp2Co+/62rEAAYHLmRCPIych47CvdM+uTBJwSzWjI=" crossorigin="anonymous"></script>
+    <script src="https://code.jquery.com/jquery-3.4.0.min.js" integrity="sha256-36cp2Co+/62rEAAYHLmRCPIych47CvdM+uTBJwSzWjI=" crossorigin="anonymous"></script>
     <script src="/assets/bootstrap-3.3.1/js/bootstrap.min.js"></script>
     <script src="/assets/docs.js"></script>
     <!-- IE10 viewport hack for Surface/desktop Windows 8 bug -->